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.
Diagnostic Code Index
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Diagnostic Code Index
WARNING: This page is about a different variant/trim than selected.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0013 | Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit |
| DTC P0014 | Exhaust Camshaft Position (CMP) System Performance |
| DTC P0017 | Crankshaft Position (CKP) Exhaust - Camshaft Position (CMP) Correlation |
| DTC P0030 or P0036 | HO2S Heater Control Circuit Sensor |
| DTC P0068 | Throttle Body Airflow Performance |
| DTC P0101 or P1101 | DTC P0101 Mass Air Flow (MAF) Sensor Performance DTC P1101 Intake Air Flow System Performance |
| DTC P0102 or P0103 | Mass Air Flow (MAF) Sensor Circuit |
| DTC P0106 | Manifold Absolute Pressure (MAP) Sensor Performance |
| DTC P0107 | Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage |
| DTC P0108 | Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage |
| DTC P0112 | Intake Air Temperature (IAT) Sensor Circuit Low Voltage |
| DTC P0113 | DTC P0112 Intake Air Temperature (IAT) Sensor Circuit High Voltage |
| DTC P0116 | Engine Coolant Temperature (ECT) Sensor Performance |
| DTC P0117 | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage |
| DTC P0118 | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage |
| DTC P0120 | Throttle Position (TP) Sensor 1 Circuit |
| DTC P0121 | Throttle Position (TP) Sensor 1 Performance |
| DTC P0122 | Throttle Position (TP) Sensor 1 Circuit Low Voltage |
| DTC P0123 | Throttle Position (TP) Sensor 1 Circuit High Voltage |
| DTC P0128 | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature |
| DTC P0130 | HO2S Circuit Sensor 1 |
| DTC P0131 | HO2S Circuit Low Voltage Sensor 1 |
| DTC P0132 | HO2S Circuit High Voltage Sensor 1 |
| DTC P0133 | HO2S Slow Response Sensor 1 |
| DTC P0134 | HO2S Circuit Insufficient Activity Sensor 1 |
| DTC P0135 or P0141 | Heater Performance Sensor |
| DTC P0136 | HO2S Performance Sensor 2 |
| DTC P0137 | HO2S Circuit Low Voltage Sensor 2 |
| DTC P0138 | HO2S Circuit High Voltage Sensor 2 |
| DTC P0140 | HO2S Circuit Insufficient Activity Sensor 2 |
| DTC P0171 | Fuel Trim System Lean |
| DTC P0172 | Fuel Trim System Rich |
| DTC P0201-P0206 | Injector Control Circuits |
| DTC P0220 | Throttle Position (TP) Sensor 2 Circuit |
| DTC P0222 | Throttle Position (TP) Sensor 2 Circuit Low Voltage |
| DTC P0223 | Throttle Position (TP) Sensor 2 Circuit High Voltage |
| DTC P0230 | Fuel Pump Relay Control Circuit |
| DTC P0300 | Engine Misfire Detected |
| DTC P0315 | Crankshaft Position (CKP) System Variation Not Learned |
| DTC P0325 | Knock Sensor (KS) Circuit |
| DTC P0326 | Knock Sensor (KS) Performance |
| DTC P0327 or P0332 | Knock Sensor (KS) Circuit Low Frequency |
| DTC P0335 | Crankshaft Position (CKP) Sensor Circuit |
| DTC P0336 | Crankshaft Position (CKP) Sensor Performance |
| DTC P0351-P0356 | Ignition Coil Control Circuit |
| DTC P0365 | Exhaust Camshaft Position (CMP) Sensor Circuit |
| DTC P0366 | Exhaust Camshaft Position (CMP) Sensor Performance |
| DTC P0411 | Secondary Air Injection (AIR) System Incorrect Air Flow Detected |
| DTC P0412 | Secondary Air Injection (AIR) Solenoid Control Circuit |
| DTC P0418 | Secondary Air Injection (AIR) Pump Control Circuit |
| DTC P0420 | Catalyst System Low Efficiency |
| DTC P0442 | Evaporative Emissions (EVAP) System Small Leak Detected |
| DTC P0443 | Evaporative Emission (EVAP) Purge Solenoid Control Circuit |
| DTC P0446 | Evaporative Emissions (EVAP) Vent System Performance |
| DTC P0449 | Evaporative Emission (EVAP) Vent Solenoid Control Circuit |
| DTC P0451 | Fuel Tank Pressure (FTP) Sensor Performance |
| DTC P0452 | Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage |
| DTC P0453 | Fuel Tank Pressure (FTP) Sensor Circuit High Voltage |
| DTC P0454 | Fuel Tank Pressure (FTP) Sensor Intermittent |
| DTC P0455 | Evaporative Emission (EVAP) System Large Leak |
| DTC P0496 | Evaporative Emissions (EVAP) System Flow During Non-Purge |
| DTC P0506 | Idle Speed Low |
| DTC P0507 | Idle Speed High |
| DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 | Control Module |
| DTC P060D | Control Module Accelerator Pedal Position (APP) System Performance |
| DTC P0641 | 5-Volt Reference 1 Circuit |
| DTC P0650 | Malfunction Indicator Lamp (MIL) Control Circuit |
| DTC P0651 | 5-Volt Reference 2 Circuit |
| DTC P1133 | HO2S Insufficient Switching Sensor 1 |
| DTC P1134 | HO2S Transition Time Ratio Sensor 1 |
| DTC P1380 | Misfire Detected Rough Road Data Not Available |
| DTC P1381 | Misfire Detected-No Communication With Brake Control Module |
| DTC P1400 | Cold Start Emission Reduction Control System |
| DTC P1516 | Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance |
| DTC P1682 | Ignition 1 Switch Circuit 2 |
| DTC P2101 | Throttle Actuator Position Performance |
| DTC P2119 | Throttle Closed Position Performance |
| DTC P2120 | Accelerator Pedal Position (APP) Sensor 1 Circuit |
| DTC P2122 | Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage |
| DTC P2123 | Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage |
| DTC P2125 | Accelerator Pedal Position (APP) Sensor 2 Circuit |
| DTC P2127 | Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage |
| DTC P2128 | Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage |
| DTC P2135 | Throttle Position (TP) Sensor 1-2 Correlation |
| DTC P2138 | Accelerator Pedal Position (APP) Sensor 1-2 Correlation |
| DTC P2176 | Minimum Throttle Position Not Learned |
| DTC P2430 | Secondary Air Injection (AIR) System Pressure Sensor Circuit |
| DTC P2431 | Secondary Air Injection System Pressure Sensor A Circuit Range/Performance |
| DTC P2432 | Secondary Air Injection System Pressure Sensor A Circuit Low |
| DTC P2433 | Air Injection System Pressure Sensor A Circuit High |
| DTC P2440 | Secondary Air Injection System Switching Valve A Stuck Open |
| DTC P2444 | Secondary Air Injection System Pump A Stuck On |
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.