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 MANUALSCHEVROLET1996SUBURBAN K1500, 5.7 RREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 6.5L DIESEL
1996 Chevrolet Suburban K1500, 5.7 R
Engine Controls - Tests W/Codes - 6.5L Diesel
1996 Chevrolet Suburban K1500, 5.7 RSECTION Engine Controls - Tests W/Codes - 6.5L Diesel
- Model Identification
- Introduction
- Self-Diagnostic System
- Diagnostic Trouble Codes
- Notes
- DTC P0112 - Intake Air Temperature (IAT) Sensor Circuit Low Voltage
- DTC P0113 - Intake Air Temperature (IAT) Sensor Circuit High Voltage
- DTC P0117 - Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
- DTC P0118 - Engine Coolant Temperature (ECT) 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
- 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 - Lift Pump Secondary 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 8 Balance System
- DTC P0266 - Cylinder 7 Balance System
- DTC P0269 - Cylinder 2 Balance System
- DTC P0272 - Cylinder 6 Balance System
- DTC P0275 - Cylinder 5 Balance System
- DTC P0278 - Cylinder 4 Balance System
- DTC P0281 - Cylinder 3 Balance System
- DTC P0284 - Cylinder 1 Balance System
- DTC P0335 - Crankshaft Position (CKP) Sensor Circuit Performance
- DTC P0370 - Timing Reference High Resolution
- DTC P0380 - Glow Plug Circuit Performance
- DTC P0404 - Exhaust Gas RECIRCULATION (EGR) System
- DTC P0405 - Exhaust Gas RECIRCULATION (EGR) Sensor Circuit Low Voltage
- DTC P0406 - Exhaust Gas RECIRCULATION (EGR) Sensor Circuit High Voltage
- 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 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
- DTC P1627 - A/D Performance
- DTC P1635 - Pcm 5-Volt Reference Low
- DTC P1641 - Malfunction Indicator Light (Mil) Control Circuit
- DTC P1653 - EGR Vent Solenoid Control Circuit
- DTC P1654 - Service Throttle Soon Control Circuit
- DTC P1655 - EGR Solenoid Control Circuit
- DTC P1656 - WASTEGATE Solenoid Control Circuit
RENDER: 1.0x
NO RELATED
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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.