K
code po370 6.6 diesel chevy duramax
abescustoms
+1y
any body know how to fix a po370 code on a 2003 chevy diesel hd people tell me it could be injection pump or short in harness let me know if anybody has experience this problem
skidrow
+1y
Repair-Trac Hotline Archive Posted Fixes NHTSA Recall TSB Fast Fixes Post Fix New Vehicle Referral Logout
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
Hotline Archive Summary
Printer Friendly
Vehicle Description: 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo
Mileage: 107363
Customer Concern: No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Tests/Procedures: 1. Check ECM codes with another brand scanner like a Tech 2.
2. Connect a vacuum/pressure gauge to the fuel supply test port by the alternator.
3. Pump the primer to 10 PSI. After 4 minutes there should be 5 PSI on the gauge and it should hold.
4. If the pressure does not hold, recheck for a leak down with the fuel supply line blocked at different locations to isolate the leak.
Potential Causes: Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
Diagnostic Codes: U1800
User Comments: None
Category: Engine Performance
Starting
Copyright 2008 Identifix, Inc.
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
Customer Concern: The engine intermittently will stall as if shutting the key off. DTC P0370
Tests: 1. Inspect pin C8, in connector C107 which is a 38 cavity connector on the top center left of the engine.
2. Check connections and wiring for damage.
Potential Causes: Circuit/connection
Tech Tips:
Diagnostic Codes: P0370
Copyright 2008 Identifix, Inc.
Home Post Fix New Vehicle Referral Logout
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
CARQUEST Direct-Hit Search - Search All Information
Keyword System Symptom
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
Code/Keyword:
You must enter a keyword to do a Search
Searched: "P0370", "Po370" and "P370".
Keyword Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
System Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
Symptom: All Symptoms
Please select a valid Category.
Symptom Search Tips
Search Results Summary
Related
Articles All
Articles Quick Fixes
0 of 8 Repair-Tracs
3 of 826 Hotline Archives
0 of 8 Posted Fixes
0 of 2 NHTSA Recalls
1 of 976 TSBs
0 of 32 Fast Fixes
6 of 421 OBD-II Code Data
0 of 11 Identifix Articles
Repair Info
0 of 99 Wiring Diagram Groups
0 of 817 Component Locations
0 of 41 Specifications
Estimating Info
No MOTOR Parts & Labor
Hotline Archive Search Results Hotline Fixes <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
02/09/2006 2003 GMC Sierra 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
No start. Has a repeat code P0370, using a Snap-on scan tool. Has a good square wave from the Crankshaft Position (CKP) sensor to the Electronic Control Module (ECM). Has a good square wave fro...
FICM
Scan tool error
Under hood fuse block
** Confirmed Fix **
Wire problem by connector C107 to the fuse block
** Confirmed Fix **Wiring Harness Connector. Mark Olinger, Mobile Diagnostic Group.
* A vehicle with the same engine as the one you selected.
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Additional Hotline Archive Search Results Hotline Fixes Same Eng. Pkg. +/- 2 Yrs. <Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
03/24/2008 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
The engine intermittently will stall as if shutting the key off. DTC P0370
Circuit/connection
10/19/2006 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo *
No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
* A vehicle with the same engine as the one you selected, plus or minus two years.
<Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
TSB Search Results <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the TSB number see the complete, unedited OEM TSB.
OEM Number Issue Date Description
03-06-04-046 10/01/2003 REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC - S/M REVISION
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
OBD-II Code Data Search Results <Previous 10 | Next 10> Results: 1 - 6 of 6 Show All
Click the OBD II code for code descriptions, code setting conditions, MIL and monitor descriptions and more for this vehicle.
Code Description
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Automatic Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Manual Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Automatic Transmission)
Printer Friendly
P0370 Engine Speed Signal Circuit Malfunction
Possible Causes Setting Conditions
Engine speed signal circuit is open, shorted to ground or power
FICM has failed
PCM has failed
Engine cranking or running, and the FICM did not receive any CKP sensor signals, or it detected an invalid CKP sensor signal. This signal is replicated and sent to the FICM as an engine speed signal. Note: A loss of this signal can cause a No Start condition to occur.
This code sets in 1 Trip(s).
MIL Operation This code will turn on the MIL (Malfunction Indicator Lamp). Lamp information includes a thorough explanation with related graphics.
CCM Monitor Monitor information includes a thorough explanation, related graphics and/or a drive cycle picture.
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Manual Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code C With Automatic Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code K With Automatic Transmission)
Copyright 2008 Identifix, Inc.
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
Hotline Archive Summary
Printer Friendly
Vehicle Description: 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo
Mileage: 107363
Customer Concern: No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Tests/Procedures: 1. Check ECM codes with another brand scanner like a Tech 2.
2. Connect a vacuum/pressure gauge to the fuel supply test port by the alternator.
3. Pump the primer to 10 PSI. After 4 minutes there should be 5 PSI on the gauge and it should hold.
4. If the pressure does not hold, recheck for a leak down with the fuel supply line blocked at different locations to isolate the leak.
Potential Causes: Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
Diagnostic Codes: U1800
User Comments: None
Category: Engine Performance
Starting
Copyright 2008 Identifix, Inc.
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
Customer Concern: The engine intermittently will stall as if shutting the key off. DTC P0370
Tests: 1. Inspect pin C8, in connector C107 which is a 38 cavity connector on the top center left of the engine.
2. Check connections and wiring for damage.
Potential Causes: Circuit/connection
Tech Tips:
Diagnostic Codes: P0370
Copyright 2008 Identifix, Inc.
Home Post Fix New Vehicle Referral Logout
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
CARQUEST Direct-Hit Search - Search All Information
Keyword System Symptom
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
Code/Keyword:
You must enter a keyword to do a Search
Searched: "P0370", "Po370" and "P370".
Keyword Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
System Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
Symptom: All Symptoms
Please select a valid Category.
Symptom Search Tips
Search Results Summary
Related
Articles All
Articles Quick Fixes
0 of 8 Repair-Tracs
3 of 826 Hotline Archives
0 of 8 Posted Fixes
0 of 2 NHTSA Recalls
1 of 976 TSBs
0 of 32 Fast Fixes
6 of 421 OBD-II Code Data
0 of 11 Identifix Articles
Repair Info
0 of 99 Wiring Diagram Groups
0 of 817 Component Locations
0 of 41 Specifications
Estimating Info
No MOTOR Parts & Labor
Hotline Archive Search Results Hotline Fixes <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
02/09/2006 2003 GMC Sierra 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
No start. Has a repeat code P0370, using a Snap-on scan tool. Has a good square wave from the Crankshaft Position (CKP) sensor to the Electronic Control Module (ECM). Has a good square wave fro...
FICM
Scan tool error
Under hood fuse block
** Confirmed Fix **
Wire problem by connector C107 to the fuse block
** Confirmed Fix **Wiring Harness Connector. Mark Olinger, Mobile Diagnostic Group.
* A vehicle with the same engine as the one you selected.
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Additional Hotline Archive Search Results Hotline Fixes Same Eng. Pkg. +/- 2 Yrs. <Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
03/24/2008 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
The engine intermittently will stall as if shutting the key off. DTC P0370
Circuit/connection
10/19/2006 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo *
No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
* A vehicle with the same engine as the one you selected, plus or minus two years.
<Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
TSB Search Results <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the TSB number see the complete, unedited OEM TSB.
OEM Number Issue Date Description
03-06-04-046 10/01/2003 REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC - S/M REVISION
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
OBD-II Code Data Search Results <Previous 10 | Next 10> Results: 1 - 6 of 6 Show All
Click the OBD II code for code descriptions, code setting conditions, MIL and monitor descriptions and more for this vehicle.
Code Description
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Automatic Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Manual Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Automatic Transmission)
Printer Friendly
P0370 Engine Speed Signal Circuit Malfunction
Possible Causes Setting Conditions
Engine speed signal circuit is open, shorted to ground or power
FICM has failed
PCM has failed
Engine cranking or running, and the FICM did not receive any CKP sensor signals, or it detected an invalid CKP sensor signal. This signal is replicated and sent to the FICM as an engine speed signal. Note: A loss of this signal can cause a No Start condition to occur.
This code sets in 1 Trip(s).
MIL Operation This code will turn on the MIL (Malfunction Indicator Lamp). Lamp information includes a thorough explanation with related graphics.
CCM Monitor Monitor information includes a thorough explanation, related graphics and/or a drive cycle picture.
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Manual Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code C With Automatic Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code K With Automatic Transmission)
Copyright 2008 Identifix, Inc.
skidrow
+1y
Repair-Trac Hotline Archive Posted Fixes NHTSA Recall TSB Fast Fixes Post Fix New Vehicle Referral Logout
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
Hotline Archive Summary
Printer Friendly
Vehicle Description: 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo
Mileage: 107363
Customer Concern: No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Tests/Procedures: 1. Check ECM codes with another brand scanner like a Tech 2.
2. Connect a vacuum/pressure gauge to the fuel supply test port by the alternator.
3. Pump the primer to 10 PSI. After 4 minutes there should be 5 PSI on the gauge and it should hold.
4. If the pressure does not hold, recheck for a leak down with the fuel supply line blocked at different locations to isolate the leak.
Potential Causes: Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
Diagnostic Codes: U1800
User Comments: None
Category: Engine Performance
Starting
Copyright 2008 Identifix, Inc.
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
Customer Concern: The engine intermittently will stall as if shutting the key off. DTC P0370
Tests: 1. Inspect pin C8, in connector C107 which is a 38 cavity connector on the top center left of the engine.
2. Check connections and wiring for damage.
Potential Causes: Circuit/connection
Tech Tips:
Diagnostic Codes: P0370
Copyright 2008 Identifix, Inc.
Home Post Fix New Vehicle Referral Logout
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
CARQUEST Direct-Hit Search - Search All Information
Keyword System Symptom
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
Code/Keyword:
You must enter a keyword to do a Search
Searched: "P0370", "Po370" and "P370".
Keyword Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
System Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
Symptom: All Symptoms
Please select a valid Category.
Symptom Search Tips
Search Results Summary
Related
Articles All
Articles Quick Fixes
0 of 8 Repair-Tracs
3 of 826 Hotline Archives
0 of 8 Posted Fixes
0 of 2 NHTSA Recalls
1 of 976 TSBs
0 of 32 Fast Fixes
6 of 421 OBD-II Code Data
0 of 11 Identifix Articles
Repair Info
0 of 99 Wiring Diagram Groups
0 of 817 Component Locations
0 of 41 Specifications
Estimating Info
No MOTOR Parts & Labor
Hotline Archive Search Results Hotline Fixes <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
02/09/2006 2003 GMC Sierra 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
No start. Has a repeat code P0370, using a Snap-on scan tool. Has a good square wave from the Crankshaft Position (CKP) sensor to the Electronic Control Module (ECM). Has a good square wave fro...
FICM
Scan tool error
Under hood fuse block
** Confirmed Fix **
Wire problem by connector C107 to the fuse block
** Confirmed Fix **Wiring Harness Connector. Mark Olinger, Mobile Diagnostic Group.
* A vehicle with the same engine as the one you selected.
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Additional Hotline Archive Search Results Hotline Fixes Same Eng. Pkg. +/- 2 Yrs. <Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
03/24/2008 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
The engine intermittently will stall as if shutting the key off. DTC P0370
Circuit/connection
10/19/2006 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo *
No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
* A vehicle with the same engine as the one you selected, plus or minus two years.
<Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
TSB Search Results <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the TSB number see the complete, unedited OEM TSB.
OEM Number Issue Date Description
03-06-04-046 10/01/2003 REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC - S/M REVISION
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
OBD-II Code Data Search Results <Previous 10 | Next 10> Results: 1 - 6 of 6 Show All
Click the OBD II code for code descriptions, code setting conditions, MIL and monitor descriptions and more for this vehicle.
Code Description
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Automatic Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Manual Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Automatic Transmission)
Printer Friendly
P0370 Engine Speed Signal Circuit Malfunction
Possible Causes Setting Conditions
Engine speed signal circuit is open, shorted to ground or power
FICM has failed
PCM has failed
Engine cranking or running, and the FICM did not receive any CKP sensor signals, or it detected an invalid CKP sensor signal. This signal is replicated and sent to the FICM as an engine speed signal. Note: A loss of this signal can cause a No Start condition to occur.
This code sets in 1 Trip(s).
MIL Operation This code will turn on the MIL (Malfunction Indicator Lamp). Lamp information includes a thorough explanation with related graphics.
CCM Monitor Monitor information includes a thorough explanation, related graphics and/or a drive cycle picture.
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Manual Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code C With Automatic Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code K With Automatic Transmission)
Copyright 2008 Identifix, Inc.
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
Hotline Archive Summary
Printer Friendly
Vehicle Description: 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo
Mileage: 107363
Customer Concern: No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Tests/Procedures: 1. Check ECM codes with another brand scanner like a Tech 2.
2. Connect a vacuum/pressure gauge to the fuel supply test port by the alternator.
3. Pump the primer to 10 PSI. After 4 minutes there should be 5 PSI on the gauge and it should hold.
4. If the pressure does not hold, recheck for a leak down with the fuel supply line blocked at different locations to isolate the leak.
Potential Causes: Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
Diagnostic Codes: U1800
User Comments: None
Category: Engine Performance
Starting
Copyright 2008 Identifix, Inc.
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
CARQUEST Direct-Hit 2003 Chevrolet Silverado 2500 HD 6.6L
Vehicle Description: 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo
Mileage: 130800
Customer Concern: The engine intermittently will stall as if shutting the key off. DTC P0370
Tests: 1. Inspect pin C8, in connector C107 which is a 38 cavity connector on the top center left of the engine.
2. Check connections and wiring for damage.
Potential Causes: Circuit/connection
Tech Tips:
Diagnostic Codes: P0370
Copyright 2008 Identifix, Inc.
Home Post Fix New Vehicle Referral Logout
2003 Chevrolet Silverado 2500 HD 6.6L Major Auto Brokers Major Auto Brokers
CARQUEST Direct-Hit Search - Search All Information
Keyword System Symptom
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
Code/Keyword:
You must enter a keyword to do a Search
Searched: "P0370", "Po370" and "P370".
Keyword Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
System Search Tips
Vehicle Range: This Exact Vehicle This Exact Vehicle +/- 2 Years Models w/same Engine Package Models w/same Engine Package +/- 2 Years All Available Engine Packages All Available Engine Packages +/- 2 Years
System: All Systems Anti-Lock Brakes/Traction Control Axle Base Brakes/Parking Brake Body/Exterior Chassis Electrical Cruise Control Drive Line Electric Motor Emission Control Engine Cooling Engine Mechanical Engine Mounting Engine Performance Exhaust Heating, Ventilation, and Air Conditioning Interior Lighting Restraint System Starting and Charging Steering and Suspension Supplemental Restraint System Transfer Case/4WD Transmission (Automatic) Transmission (Manual) and Clutch Wheel and Tire
Please select a valid System.
Symptom: All Symptoms
Please select a valid Category.
Symptom Search Tips
Search Results Summary
Related
Articles All
Articles Quick Fixes
0 of 8 Repair-Tracs
3 of 826 Hotline Archives
0 of 8 Posted Fixes
0 of 2 NHTSA Recalls
1 of 976 TSBs
0 of 32 Fast Fixes
6 of 421 OBD-II Code Data
0 of 11 Identifix Articles
Repair Info
0 of 99 Wiring Diagram Groups
0 of 817 Component Locations
0 of 41 Specifications
Estimating Info
No MOTOR Parts & Labor
Hotline Archive Search Results Hotline Fixes <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
02/09/2006 2003 GMC Sierra 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
No start. Has a repeat code P0370, using a Snap-on scan tool. Has a good square wave from the Crankshaft Position (CKP) sensor to the Electronic Control Module (ECM). Has a good square wave fro...
FICM
Scan tool error
Under hood fuse block
** Confirmed Fix **
Wire problem by connector C107 to the fuse block
** Confirmed Fix **Wiring Harness Connector. Mark Olinger, Mobile Diagnostic Group.
* A vehicle with the same engine as the one you selected.
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Additional Hotline Archive Search Results Hotline Fixes Same Eng. Pkg. +/- 2 Yrs. <Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
Click the vehicle description to view case notes on a hotline call that includes symptom descriptions, short-cut tests, tech tips and Confirmed Fixes.
Call Date Codes/Symptom/ Confirmed Fix Potential Causes
03/24/2008 2004 Chevrolet Silverado 2500 HD 6.6L, DIESEL, Vin 1, Turbo *
The engine intermittently will stall as if shutting the key off. DTC P0370
Circuit/connection
10/19/2006 2001 Chevrolet Silverado 3500 6.6L, DIESEL, Vin 1, Turbo *
No start. History Electronic Control Module (ECM) DTC P0370, U1800, B2960. Cleared codes, current DTC U1800. The engine started after pumping the primer on the fuel filter housing.
Air leak, low pressure supply line
Fuel injector/s
Scanner giving wrong codes
* A vehicle with the same engine as the one you selected, plus or minus two years.
<Previous 10 | Next 10> Results: 1 - 2 of 2 Show All
TSB Search Results <Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
Click the TSB number see the complete, unedited OEM TSB.
OEM Number Issue Date Description
03-06-04-046 10/01/2003 REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC - S/M REVISION
<Previous 10 | Next 10> Results: 1 - 1 of 1 Show All
OBD-II Code Data Search Results <Previous 10 | Next 10> Results: 1 - 6 of 6 Show All
Click the OBD II code for code descriptions, code setting conditions, MIL and monitor descriptions and more for this vehicle.
Code Description
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Automatic Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code C With Manual Transmission)
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Automatic Transmission)
Printer Friendly
P0370 Engine Speed Signal Circuit Malfunction
Possible Causes Setting Conditions
Engine speed signal circuit is open, shorted to ground or power
FICM has failed
PCM has failed
Engine cranking or running, and the FICM did not receive any CKP sensor signals, or it detected an invalid CKP sensor signal. This signal is replicated and sent to the FICM as an engine speed signal. Note: A loss of this signal can cause a No Start condition to occur.
This code sets in 1 Trip(s).
MIL Operation This code will turn on the MIL (Malfunction Indicator Lamp). Lamp information includes a thorough explanation with related graphics.
CCM Monitor Monitor information includes a thorough explanation, related graphics and/or a drive cycle picture.
P0370 Engine Speed Signal Circuit Malfunction (Body Code K With Manual Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code C With Automatic Transmission)
P1216 Fuel Solenoid Response Time Too Short (Body Code K With Automatic Transmission)
Copyright 2008 Identifix, Inc.
pig rig
+1y
holy hell skidz all that and spelled right to
I couldnt help it on that so are you a tuner also
I couldnt help it on that so are you a tuner also