Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 100 (ENGINE CONTROLS - TESTS W/CODES - 6.5L TURBO DIESEL)
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F
Section 100 (Engine Controls - Tests W/Codes - 6.5L Turbo Diesel)
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Section 100 (Engine Controls - Tests W/Codes - 6.5L Turbo Diesel)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1998 GMC Savana Special, 1998 GMC Savana Camper Special, 1998 GMC Savana, 1998 Chevrolet RV Cutaway, and 1998 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Notes
- Diagnostic Procedure
- Entering & Exiting Diagnostic Mode
- Powertrain On-Board Diagnostic (OBD) System Check
- Malfunction Indicator Light (Mil)
- DLC Diagnosis Or No Scan Tool Data
- Trouble Code Identification
- Clearing Trouble Codes
- Pcm Location
- Special Tools (Diagnostic)
- Scan Tool Usage
- Typical Tech 1 Or 2 Data Values
- Test Equipment
- Diagnostic Trouble Codes
- Notes
- DTC P0112 - Intake Air Temperature (IAT) Sensor Circuit
- DTC P0113 - Intake Air Temperature (IAT) Sensor Circuit High - Voltage
- DTC P0117 - Engine Coolant Temperature (Act) Sensor Circuit Low Voltage
- DTC P0118 - Engine Coolant Temperature (Act) Sensor Circuit High Voltage
- DTC P0121 - Accelerator Pedal Position (App) Sensor 1 Circuit - Performance
- DTC P0122 - Accelerator Pedal Position (App) Sensor 1 Circuit - Low Voltage
- DTC P0123 - Accelerator Pedal Position (App) Sensor 1 Circuit - High Voltage
- DTC P0182 - Fuel Temperature Sensor Circuit Low Voltage
- DTC P0183 - Fuel Temperature Sensor Circuit High Voltage
- DTC P0215 - Engine Shutoff Solenoid Control Circuit
- DTC P0216 - Injection Timing Control System
- DTC P0219 - Engine OVERSPEED Condition
- DTC P0220 - Accelerator Pedal Position (App) Sensor 2 Circuit
- DTC P0221 - Accelerator Pedal Position (App) Sensor 2 Circuit Performance
- DTC P0222 - Accelerator Pedal Position (App) Sensor 2 Circuit Low Voltage
- DTC P0223 - Accelerator Pedal Position (App) Sensor 2 Circuit High Voltage
- DTC P0225 - Accelerator Pedal Position (App) Sensor 3 Circuit
- DTC P0226 - Accelerator Pedal Position (App) Sensor 3 Circuit Performance
- DTC P0227 - Accelerator Pedal Position (App) Sensor 3 Circuit Low Voltage
- DTC P0228 - Accelerator Pedal Position (App) Sensor 3 Circuit High Voltage
- DTC P0231 - Fuel/Lift Pump Feedback Circuit Low Voltage
- DTC P0236 - Turbocharger Boost System
- DTC P0237 - Turbocharger Boost Sensor Circuit Low Voltage
- DTC P0238 - Turbocharger Boost Sensor Circuit High Voltage
- DTC P0251 - Injection Pump Cam System
- DTC P0263 - Cylinder No. 1 Balance System
- DTC P0266 - Cylinder No. 2 Balance System
- DTC P0269 - Cylinder No. 3 Balance System
- DTC P0272 - Cylinder No. 4 Balance System
- DTC P0275 - Cylinder No. 5 Balance System
- DTC P0278 - Cylinder No. 6 Balance System
- DTC P0281 - Cylinder No. 7 Balance System
- DTC P0284 - Cylinder No. 8 Balance System
- DTC P0300 - Engine Misfire Detected
- DTC P0301 - Cylinder No. 1 Misfire Detected
- DTC P0302 - Cylinder No. 2 Misfire Detected
- DTC P0303 - Cylinder No. 3 Misfire Detected
- DTC P0304 - Cylinder No. 4 Misfire Detected
- DTC P0305 - Cylinder No. 5 Misfire Detected
- DTC P0306 - Cylinder No. 6 Misfire Detected
- DTC P0307 - Cylinder No. 7 Misfire Detected
- DTC P0308 - Cylinder No. 8 Misfire Detected
- DTC P0335 - Crankshaft Position (CKP) Sensor Circuit Performance
- DTC P0370 - Timing Reference High Resolution
- DTC P0380 - Glow Plug Circuit Performance
- DTC P0501 - Vehicle Speed Sensor Circuit
- DTC P0567 - Cruise Resume Circuit
- DTC P0568 - Cruise Set Circuit
- DTC P0571 - Cruise Brake Switch Circuit
- DTC P0601 - Pcm Memory
- DTC P0602 - Pcm Not Programmed
- DTC P0606 - Pcm Internal Communication Interrupted
- DTC P1125 - Accelerator Pedal Position (App) System
- DTC P1214 - Injection Pump Timing Offset Error
- DTC P1216 - Fuel Solenoid Response Time Too Short
- DTC P1217 - Fuel Solenoid Response Time Too Long
- DTC P1218 - Injection Pump Calibration Circuit
- DTC P1621 - Pcm Memory Performance/EEPROM Write
- DTC P1626 - Vehicle Theft Deterrent (VTD) Controller Serial Data Circuit
- DTC P1627 - A/D Performance
- DTC P1630 - Theft Deterrent Pcm In Learn Mode
- DTC P1631 - Theft Deterrent Password Incorrect
- DTC P1635 - Pcm 5-Volt Reference Low
- DTC P1641 - Malfunction Indicator Light Mil) Control Circuit
- DTC P1643 - Wait To Start Light Control Circuit
- DTC P1654 - Service Throttle Soon Light Control Circuit
- DTC P1656 - WASTEGATE Solenoid Control Circuit
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.