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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM - 6.6L (LLY) - INTRODUCTION (2 OF 2)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Diagnostic Code Index
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0016 | Crankshaft Position (CKP) Camshaft Position (CMP) Correlation. |
| DTC P003A | Turbocharger Boost Control Position Not Learned |
| DTC P0045 | Turbocharger Boost Control Solenoid Control Circuit |
| DTC P0087 or P0088 | DTC P0087 Fuel Rail Pressure (FRP) Too Low DTC P0088 Fuel Rail Pressure (FRP) Too High |
| DTC P0090 | Fuel Pressure Regulator Control Circuit |
| DTC P0097 or P0098 | DTC P0097 Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage DTC P0098 Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage |
| DTC P0101 | DTC P0101 Mass Air Flow (MAF) Sensor Performance |
| DTC P0102 or P0103 | DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Voltage DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Voltage |
| DTC P0106 | DTC P0106 Manifold Absolute Pressure (MAP) Sensor Performance |
| DTC P0107 or P0108 | DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage |
| DTC P0112 or P0113 | DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage |
| DTC P0116 | Engine Coolant Temperature (ECT) Sensor Performance |
| DTC P0117 or P0118 | DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage |
| DTC P0128 | Engine Coolant Temperature (ECT) Below Thermostat Temperature |
| DTC P0168 | Engine Fuel Over-Temperature |
| DTC P0181 | Fuel Temperature Sensor Performance |
| DTC P0182 or P0183 | DTC P0182 Fuel Temperature Sensor Circuit Low Voltage DTC P0183 Fuel Temperature Sensor Circuit High Voltage |
| DTC P0191 - P0193 | DTC P0191 Fuel Rail Pressure (FRP) Sensor Performance DTC P0192 Fuel Rail Pressure (FRP) Sensor Circuit Low Voltage DTC P0193 Fuel Rail Pressure (FRP) Sensor Circuit High Voltage |
| DTC P0201-P0208 | DTC P0201 Fuel Injector 1 Control Circuit DTC P0202 Fuel Injector 2 Control Circuit DTC P0203 Fuel Injector 3 Control Circuit DTC P0204 Fuel Injector 4 Control Circuit DTC P0205 Fuel Injector 5 Control Circuit DTC P0206 Fuel Injector 6 Control Circuit DTC P0207 Fuel Injector 7 Control Circuit DTC P0208 Fuel Injector 8 Control Circuit |
| DTC P0230 | Fuel Pump Relay Control Circuit |
| DTC P0234 | Turbocharger Engine Overboost |
| DTC P0299 | Turbocharger Engine Underboost |
| DTC P0300 - P0308 | DTC P0300 Engine Misfire Detected DTC P0301 Engine Misfire Detected Cylinder 1 DTC P0302 Engine Misfire Detected Cylinder 2 DTC P0303 Engine Misfire Detected Cylinder 3 DTC P0304 Engine Misfire Detected Cylinder 4 DTC P0305 Engine Misfire Detected Cylinder 5 DTC P0306 Engine Misfire Detected Cylinder 6 DTC P0307 Engine Misfire Detected Cylinder 7 DTC P0308 Engine Misfire Detected Cylinder 8 |
| DTC P0335 or P0336 | DTC P0335 Crankshaft Position (CKP) Sensor Circuit DTC P0336 Crankshaft Position (CKP) Sensor Performance |
| DTC P0340, P0341 or P0342 | DTC P0340 Camshaft Position (CMP) Sensor Circuit DTC P0341 Camshaft Position (CMP) Sensor Performance |
| DTC P0401 | Exhaust Gas Recirculation (EGR) Flow Insufficient |
| DTC P0402 | Exhaust Gas Recirculation (EGR) Flow Excessive |
| DTC P0403 | Exhaust Gas Recirculation (EGR) Solenoid Control Circuit |
| DTC P0405 | Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage |
| DTC P0406 | Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage |
| DTC P046C | Exhaust Gas Recirculation (EGR) Position Sensor Performance |
| DTC P0506 or P0507 | DTC P0506 Idle Speed Low DTC P0507 Idle Speed High |
| DTC P0540 | Intake Air (IA) Heater Feedback Circuit |
| DTC P0601-P0607, P060B, P061C, P062C, P062F, or P2610 |
|
| DTC P0642 or P0643 | DTC P0642 5-Volt Reference 1 Circuit Low Voltage DTC P0643 5-Volt Reference 1 Circuit High Voltage |
| DTC P064C | Glow Plug Module Control Performance |
| DTC P0650 | Malfunction Indicator Lamp (MIL) Control Circuit |
| DTC P0652 or P0653 | DTC P0652 5-Volt Reference 2 Circuit Low Voltage DTC P0653 5-Volt Reference 2 Circuit High Voltage |
| DTC P0671-P0678 | DTC P0671 Cylinder #1 Glow Plug Control Circuit DTC P0672 Cylinder #2 Glow Plug Control Circuit DTC P0673 Cylinder #3 Glow Plug Control Circuit DTC P0674 Cylinder #4 Glow Plug Control Circuit DTC P0675 Cylinder #5 Glow Plug Control Circuit DTC P0676 Cylinder #6 Glow Plug Control Circuit DTC P0677 Cylinder #7 Glow Plug Control Circuit DTC P0678 Cylinder #8 Glow Plug Control Circuit |
| DTC P0698 or P0699 | DTC P0698 5-Volt Reference 3 Circuit Low Voltage DTC P0699 5-Volt Reference 3 Circuit High Voltage |
| DTC P0700 | Transmission Control Module (TCM) Requested MIL Illumination |
| DTC P160C | Engine Calibration Information Not Programmed-GPCM |
| DTC P2122, P2123, P2127, P2128, or P2138 | DTC P2122 Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage DTC P2123 Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage DTC P2127 Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage DTC P2128 Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage DTC P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation |
| DTC P2146, P2149, P2152, or P2155 | DTC 2146 Injector Positive Voltage Control Circuit Group 1 DTC 2149 Injector Positive Voltage Control Circuit Group 2 DTC 2152 Injector Positive Voltage Control Circuit Group 3 DTC 2155 Injector Positive Voltage Control Circuit Group 4 |
| DTC P2199 | Intake Air Temperature (IAT) Sensor 1-2 Correlation |
| DTC P2228 or P2229 | DTC P2228 Barometric Pressure (BARO) Sensor Circuit Low Voltage DTC P2229 Barometric Pressure (BARO) Sensor Circuit High Voltage |
| DTC P2510 | Engine Control Module Relay Circuit |
| DTC P2563 | Turbocharger Boost Control Position Sensor Performance |
| DTC P2564 or P2565 | DTC P2564 Turbocharger Boost Control Position Sensor Circuit Low Voltage DTC P2565 Turbocharger Boost Control Position Sensor Circuit High Voltage |
| DTC P268A | Fuel Injector Calibration Data Not Programmed |
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.