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 MANUALSCHEVROLET1999SUBURBAN K1500, 5.7 R, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS TESTS W/CODES - DIESEL
1999 Chevrolet Suburban K1500, 5.7 R, Automatic
Engine Controls Tests W/Codes - Diesel
1999 Chevrolet Suburban K1500, 5.7 R, AutomaticSECTION Engine Controls Tests W/Codes - Diesel
- Model Identification
- Introduction
- Self-Diagnostic System
- Summary
- Circuit Tests
- Diagnostic Tests
- Notes
- DTC P0101: Mass Airflow System Performance ("C" & "K" Series)
- DTC P0102: MAF Sensor Circuit Low Frequency ("C" & "K" Series)
- DTC P0103: MAF Sensor Circuit High Frequency ("C" & "K" Series)
- DTC P0112: Intake Air Temperature (IAT) Sensor Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0113: Intake Air Temperature (IAT) Sensor Circuit High Voltage ("C", "G", "K" & "P" Series)
- DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Voltage ("C", "G", "K" & "P" Series)
- DTC P0121: Accelerator Pedal Position (App) Sensor 1 Circuit Performance ("C", "G", "K" & "P" Series)
- DTC P0122: Accelerator Pedal Position (App) Sensor 1 Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0123: Accelerator Pedal Position (App) Sensor 1 Circuit High Voltage ("C", "G", "K" & "P" Series)
- DTC P0126: Insufficient ECT For Stable Operation ("C", "G" & "K" Series)
- DTC P0182: Fuel Temperature Sensor Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0183: Fuel Temperature Sensor Circuit High Voltage ("C", "G", "K" & "P" Series)
- DTC P0215: Engine Shutoff Solenoid Control Circuit ("C", "G", "K" & "P" Series)
- DTC P0216: Injection Timing Control System ("C", "G", "K" & "P" Series)
- DTC P0219: Engine OVERSPEED Condition ("C", "G", "K" & "P" Series)
- DTC P0220: Accelerator Pedal Position (App) Sensor 2 Circuit ("C", "G", "K" & "P" Series)
- DTC P0221: Accelerator Pedal Position (App) Sensor 2 Circuit Performance ("C", "G", "K" & "P" Series)
- DTC P0222: Accelerator Pedal Position (App) Sensor 2 Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0223: Accelerator Pedal Position (App) Sensor 2 Circuit High Voltage ("C", "G", "K" & "P" Series)
- DTC P0225: Accelerator Pedal Position (App) Sensor 3 Circuit ("C", "G", "K" & "P" Series)
- DTC P0226: Accelerator Pedal Position (App) Sensor 3 Circuit Performance ("C", "G", "K" & "P" Series)
- DTC P0227: Accelerator Pedal Position (App) Sensor 3 Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0228: Accelerator Pedal Position (App) Sensor 3 Circuit High Voltage ("C", "G", "K" & "P" Series)
- DTC P0231: Fuel/Lift Pump Feedback Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0236: Turbocharger Boost System ("C", "G", "K" & "P" Series)
- DTC P0237: Turbocharger Boost Sensor Circuit Low Voltage ("C", "G", "K" & "P" Series)
- DTC P0238: Turbocharger Boost Sensor Circuit High Voltage ("C", "G", "K" & "P" Series)
- DTC P0251: Injection Pump Cam System ("C", "G", "K" & "P" Series)
- DTC P0263: Cylinder No. 1 Balance System ("C", "G", "K" & "P" Series)
- DTC P0266: Cylinder No. 2 Balance System ("C", "G", "K" & "P" Series)
- DTC P0269: Cylinder No. 3 Balance System ("C", "G", "K" & "P" Series)
- DTC P0272: Cylinder No. 4 Balance System ("C", "G", "K" & "P" Series)
- DTC P0275: Cylinder No. 5 Balance System ("C", "G", "K" & "P" Series)
- DTC P0278: Cylinder No. 6 Balance System ("C", "G", "K" & "P" Series)
- DTC P0281: Cylinder No. 7 Balance System ("C", "G", "K" & "P" Series)
- DTC P0284: Cylinder No. 8 Balance System ("C", "G", "K" & "P" Series)
- DTC P0300: Engine Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0301: Cylinder No. 1 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0302: Cylinder No. 2 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0303: Cylinder No. 3 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0304: Cylinder No. 4 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0305: Cylinder No. 5 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0306: Cylinder No. 6 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0307: Cylinder No. 7 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0308: Cylinder No. 8 Misfire Detected ("C", "G", "K" & "P" Series)
- DTC P0335: Crankshaft Position (CKP) Sensor Circuit Performance ("C", "G", "K" & "P" Series)
- DTC P0370: Timing Reference High Resolution ("C", "G", "K" & "P" Series)
- DTC P0380: Glow Plug Circuit Performance ("C", "G", "K" & "P" Series)
- DTC P0400: EGR Flow Malfunction ("C" & "K" Series)
- DTC P0402: EGR System Flow Excessive ("C" & "K" Series)
- DTC P0404: EGR System Performance ("C" & "K" Series)
- DTC P0405: EGR Sensor Circuit Low Voltage ("C" & "K" Series)
- DTC P0406: EGR Sensor Circuit High Voltage ("C" & "K" Series)
- DTC P0501: Vehicle Speed Sensor Circuit ("C", "G", "K" & "P" Series)
- DTC P0567: Cruise Resume Circuit ("C", "G", "K" & "P" Series)
- DTC P0568: Cruise Set Circuit ("C", "G", "K" & "P" Series)
- DTC P0571: Cruise Brake Switch Circuit ("C", "G", "K" & "P" Series)
- DTC P0601: Pcm Memory ("C", "G", "K" & "P" Series)
- DTC P0602: Pcm Not Programmed ("C", "G", "K" & "P" Series)
- DTC P0604: Control Module Random Access Memory ("C", "G" & "K" Series)
- DTC P0606: Pcm Internal Communication Interrupted ("C", "G", "K" & "P" Series)
- DTC P1125: Accelerator Pedal Position (App) System ("C", "G", "K" & "P" Series)
- DTC P1191: Intake Air Duct Leak ("C" & "K" Series)
- DTC P1214: Injection Pump Timing Offset Error ("C", "G", "K" & "P" Series)
- DTC P1216: Fuel Solenoid Response Time Too Short ("C", "G", "K" & "P" Series)
- DTC P1217: Fuel Solenoid Response Time Too Long ("C", "G", "K" & "P" Series)
- DTC P1218: Injection Pump Calibration Circuit ("C", "G", "K" & "P" Series)
- DTC P1406: EGR Valve Position ("C" & "K" Series)
- DTC P1409: EGR Vacuum System Leak ("C" & "K" Series)
- DTC P1621: Pcm Memory Performance/EEPROM Write ("C", "G", "K" & "P" Series)
- DTC P1626: Vehicle Theft Deterrent (VTD) Controller Serial Data Circuit ("C", "G" & "K" Series)
- DTC P1627: A/D Performance ("C", "G", "K" & "P" Series)
- DTC P1630: Theft Deterrent Pcm In Learn Mode ("C" & "K" Series)
- DTC P1631: Theft Deterrent Password Incorrect ("C", "G" & "K" Series)
- DTC P1635: Pcm 5-Volt Reference Low ("C", "G", "K" & "P" Series)
- DTC P1641: Malfunction Indicator Light (Mil) Control Circuit ("C", "G", "K" & "P" Series)
- DTC P1643: Wait To Start Light Control Circuit ("C", "G" & "K" Series)
- DTC P1653: EGR Vent Solenoid Control Circuit ("C" & "K" Series)
- DTC P1654: Service Throttle Soon Light Control Circuit ("C", "G", "K"& "P" Series)
- DTC P1655: EGR Solenoid Control Circuit ("C" & "K" Series)
- DTC P1656: WASTEGATE Solenoid Control Circuit ("C", "G", "K" & "P" Series)
- DTC U1026: Loss Of ATC Class II Communication (6.5L "C" & "K" Series)
- DTC U1192: Loss Of EVO/VTD PASSLOCK® Communication (6.5L "C" & "K" Series)
- DTC U1192: Loss Of EVO/PASSLOCK® Communication (6.5L "G" Series)
RENDER: 1.0x
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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.