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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1027 (ENGINE CONTROLS AND FUEL - 4.3L - INTRODUCTION (2 OF 2))DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Suburban C2500, 6.0 U
Diagnostic Code Index
2006 Chevrolet Suburban C2500, 6.0 USECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0016 | Crankshaft Position (CKP) Camshaft Position (CMP) Correlation |
| DTC P0030, P0036, P0053, P0054, P0135, or P0141 | HO2S Heater |
| DTC P0050, P0056, P0059, P0060, P0155, or P0161 | HO2S Heater |
| DTC P0068 or P0121 | Throttle Performance |
| DTC P0101 or P1101 | Mass Air Flow (MAF) Sensor Performance |
| DTC P0102 or P0103 | Mass Air Flow (MAF) Sensor Circuit |
| DTC P0106 | Manifold Absolute Pressure (MAP) Sensor Performance |
| DTC P0107 or P0108 | Manifold Absolute Pressure (MAP) Sensor Circuit |
| DTC P0112 or P0113 | Intake Air Temperature (IAT) Sensor Circuit |
| DTC P0116 | Engine Coolant Temperature (ECT) Sensor Performance |
| DTC P0117 or P0118 | Engine Coolant Temperature (ECT) Sensor Circuit |
| DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 | Throttle Position (TP) Sensor |
| DTC P0128 | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature |
| DTC P0131, P0132, P0137, or P0138 | HO2S Circuit Voltage Bank 1 |
| DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 | HO2S |
| DTC P0151, P0152, P0157, or P0158 | HO2S Circuit Voltage Bank 2 |
| DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04 | HO2S Bank 2 |
| DTC P0171, P0172, P0174, or P0175 | Fuel Trim System |
| DTC P0201, P0202, P0203, P0204, P0205, or P0206 | Injector Control Circuit |
| DTC P0230 | Fuel Pump Relay Control Circuit |
| DTC P0300-P0306 | Misfire Detected |
| DTC P0315 | Crankshaft Position (CKP) System Variation Not Learned |
| DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 | Knock Sensor (KS) |
| DTC P0335 | Crankshaft Position (CKP) Sensor Circuit |
| DTC P0336 | Crankshaft Position (CKP) Sensor Performance |
| DTC P0340 | Camshaft Position (CMP) Sensor Circuit |
| DTC P0341 | Camshaft Position (CMP) Sensor Performance |
| DTC P0351, P0352, or P0353 | Ignition Coil Control Circuit |
| DTC P0420 or P0430 | Catalyst System Low Efficiency Bank |
| DTC P0442 | Evaporative Emission (EVAP) System Small Leak Detected |
| DTC P0443 or P0449 | Evaporative Emission (EVAP) Solenoid Control Circuit |
| DTC P0446 | Evaporative Emissions (EVAP) Vent System Performance |
| DTC P0451, P0452, P0453, or P0454 | Fuel Tank Pressure (FTP) Sensor |
| DTC P0455 | Evaporative Emission (EVAP) System Large Leak Detected |
| DTC P0496 | Evaporative Emission System Flow During Non-Purge |
| DTC P0506 or P0507 | Idle Speed |
| DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 | Control Module |
| DTC P0641 or P0651 | 5-Volt Reference Circuit |
| DTC P0650 | Malfunction Indicator Lamp (MIL) Control Circuit |
| DTC P0685, P0689, or P0690 | Engine Controls Relay Circuit |
| DTC P1380 or P1381 | Misfire Detected |
| DTC P1400 | Cold Start Emission Reduction Control System |
| DTC P1516, P2101, P2119, or P2176 | Throttle Position Performance |
| DTC P1682 | Ignition 1 Switch Circuit 2 |
| DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 | Accelerator Pedal Position (APP) Sensor 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.