Engine Self-Diagnostics DTCS: H4SO
NOTE:
For additional diagnostic trouble codes information, refer to DRIVE CYCLE
testing.
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (H4SO)
| DTC | Item | Reference |
|---|---|---|
| P0026 | Intake Valve Control Solenoid Circuit Range/Performance (Bank 1) | < Ref. to DTC P0026 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PERFORMANCE (BANK 1) . > |
| P0028 | Intake Valve Control Solenoid Circuit Range/Performance (Bank 2) | < Ref. to DTC P0028 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PERFORMANCE (BANK 2) . > |
| P0030 | HO2S Heater Control Circuit (Bank 1 Sensor 1) | < Ref. to DTC P0030 HO2S HEATER CONTROL CIRCUIT (BANK 1 SENSOR 1) . > |
| P0031 | HO2S Heater Control Circuit Low (Bank 1 Sensor 1) | < Ref. to DTC P0031 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 1) . > |
| P0032 | HO2S Heater Control Circuit High (Bank1 Sensor 1) | < Ref. to DTC P0032 HO2S HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 1) . > |
| P0037 | HO2S Heater Control Circuit Low (Bank 1 Sensor 2) | < Ref. to DTC P0037 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2) . > |
| P0038 | HO2S Heater Control Circuit High (Bank 1 Sensor 2) | < Ref. to DTC P0038 HO2S HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 2) . > |
| P0068 | MAP/MAF - Throttle Position Correlation | < Ref. to DTC P0068 MAP/MAF - THROTTLE POSITION CORRELATION . > |
| P0076 | Intake Valve Control Solenoid Circuit Low (Bank 1) | < Ref. to DTC P0076 INTAKE VALVE CONTROL SOLENOID CIRCUIT LOW (BANK 1) . > |
| P0077 | Intake Valve Control Solenoid Circuit High (Bank 1) | < Ref. to DTC P0077 INTAKE VALVE CONTROL SOLENOID CIRCUIT HIGH (BANK 1) . > |
| P0082 | Intake Valve Control Solenoid Circuit Low (Bank 2) | < Ref. to DTC P0082 INTAKE VALVE CONTROL SOLENOID CIRCUIT LOW (BANK 2) . > |
| P0083 | Intake Valve Control Solenoid Circuit High (Bank 2) | < Ref. to DTC P0083 INTAKE VALVE CONTROL SOLENOID CIRCUIT HIGH (BANK 2) . > |
| P0101 | Mass or Volume Air Flow Circuit Range/Performance | < Ref. to DTC P0101 MASS OR VOLUME AIR FLOW CIRCUIT RANGE/PERFORMANCE . > |
| P0102 | Mass or Volume Air Flow Circuit Low Input | < Ref. to DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT . > |
| P0103 | Mass or Volume Air Flow Circuit High Input | < Ref. to DTC P0103 MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT . > |
| P0107 | Manifold Absolute Pressure/Barometric Pressure Circuit Low Input | < Ref. to DTC P0107 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE CIRCUIT LOW INPUT . > |
| P0108 | Manifold Absolute Pressure/Barometric Pressure Circuit High Input | < Ref. to DTC P0108 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE CIRCUIT HIGH INPUT . > |
| P0111 | Intake Air Temperature Sensor 1 Circuit Range/Performance | < Ref. to DTC P0111 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE . > |
| P0112 | Intake Air Temperature Sensor 1 Circuit Low | < Ref. to DTC P0112 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT LOW . > |
| P0113 | Intake Air Temperature Sensor 1 Circuit High | < Ref. to DTC P0113 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT HIGH . > |
| P0117 | Engine Coolant Temperature Circuit Low | < Ref. to DTC P0117 ENGINE COOLANT TEMPERATURE CIRCUIT LOW . > |
| P0118 | Engine Coolant Temperature Circuit High | < Ref. to DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH . > |
| P0122 | Throttle/Pedal Position Sensor/Switch "A" Circuit Low | < Ref. to DTC P0122 THROTTLE/PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT LOW . > |
| P0123 | Throttle/Pedal Position Sensor/Switch "A" Circuit High | < Ref. to DTC P0123 THROTTLE/PEDAL POSITION SENSOR / SWITCH "A" CIRCUIT HIGH . > |
| P0125 | Insufficient Coolant Temperature for Closed Loop Fuel Control | < Ref. to DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL . > |
| P0126 | Insufficient Engine Coolant Temperature for Stable Operation | < Ref. to DTC P0126 INSUFFICIENT ENGINE COOLANT TEMPERATURE FOR STABLE OPERATION . > |
| P0128 | Coolant Thermostat (Engine Coolant Temperature Below Thermostat Regulating Temperature) | < Ref. to DTC P0128 COOLANT THERMOSTAT (ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE) . > |
| P0131 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) | < Ref. to DTC P0131 O2 SENSOR CIRCUIT LOW VOLTAGE (BANK 1 SENSOR 1) . > |
| P0132 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) | < Ref. to DTC P0132 O2 SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 1) . > |
| P0133 | O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) | < Ref. to DTC P0133 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1) . > |
| P0134 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) | < Ref. to DTC P0134 O2 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR 1) . > |
| P0137 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) | < Ref. to DTC P0137 O2 SENSOR CIRCUIT LOW VOLTAGE (BANK 1 SENSOR 2) . > |
| P0138 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) | < Ref. to DTC P0138 O2 SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 2) . > |
| P0139 | O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) | < Ref. to DTC P0139 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 2) . > |
| P0140 | O2 Sensor Circuit No Activity Detected (Bank1 Sensor2) | < Ref. to DTC P0140 O2 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR2) . > |
| P0171 | System Too Lean (Bank 1) | < Ref. to DTC P0171 SYSTEM TOO LEAN (BANK 1) . > |
| P0172 | System Too Rich (Bank 1) | < Ref. to DTC P0172 SYSTEM TOO RICH (BANK 1) . > |
| P0181 | Fuel Temperature Sensor "A" Circuit Range/Performance | < Ref. to DTC P0181 FUEL TEMPERATURE SENSOR "A" CIRCUIT RANGE/PERFORMANCE . > |
| P0182 | Fuel Temperature Sensor "A" Circuit Low Input | < Ref. to DTC P0182 FUEL TEMPERATURE SENSOR "A" CIRCUIT LOW INPUT . > |
| P0183 | Fuel Temperature Sensor "A" Circuit High Input | < Ref. to DTC P0183 FUEL TEMPERATURE SENSOR "A" CIRCUIT HIGH INPUT . > |
| P0196 | Engine Oil Temperature Sensor Circuit Range/Performance | < Ref. to DTC P0196 ENGINE OIL TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE . > |
| P0197 | Engine Oil Temperature Sensor Low | < Ref. to DTC P0197 ENGINE OIL TEMPERATURE SENSOR LOW . > |
| P0198 | Engine Oil Temperature Sensor High | < Ref. to DTC P0198 ENGINE OIL TEMPERATURE SENSOR HIGH . > |
| P0222 | Throttle/Pedal Position Sensor/Switch "B" Circuit Low | < Ref. to DTC P0222 THROTTLE/PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT LOW . > |
| P0223 | Throttle/Pedal Position Sensor/Switch "B" Circuit High | < Ref. to DTC P0223 THROTTLE/PEDAL POSITION SENSOR / SWITCH "B" CIRCUIT HIGH . > |
| P0301 | Cylinder 1 Misfire Detected | < Ref. to DTC P0301 CYLINDER 1 MISFIRE DETECTED . > |
| P0302 | Cylinder 2 Misfire Detected | < Ref. to DTC P0302 CYLINDER 2 MISFIRE DETECTED . > |
| P0303 | Cylinder 3 Misfire Detected | < Ref. to DTC P0303 CYLINDER 3 MISFIRE DETECTED . > |
| P0304 | Cylinder 4 Misfire Detected | < Ref. to DTC P0304 CYLINDER 4 MISFIRE DETECTED . > |
| P0327 | Knock Sensor 1 Circuit Low (Bank 1 or Single Sensor) | < Ref. to DTC P0327 KNOCK SENSOR 1 CIRCUIT LOW (BANK 1 OR SINGLE SENSOR) . > |
| P0328 | Knock Sensor 1 Circuit High (Bank 1 or Single Sensor) | < Ref. to DTC P0328 KNOCK SENSOR 1 CIRCUIT HIGH (BANK 1 OR SINGLE SENSOR) . > |
| P0335 | Crankshaft Position Sensor "A" Circuit | < Ref. to DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT . > |
| P0336 | Crankshaft Position Sensor "A" Circuit Range/Performance | < Ref. to DTC P0336 CRANKSHAFT POSITION SENSOR "A" CIRCUIT RANGE/PERFORMANCE . > |
| P0340 | Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor) | < Ref. to DTC P0340 CAMSHAFT POSITION SENSOR "A" CIRCUIT (BANK 1 OR SINGLE SENSOR) . > |
| P0341 | Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor) | < Ref. to DTC P0341 CAMSHAFT POSITION SENSOR "A" CIRCUIT RANGE/PERFORMANCE (BANK 1 OR SINGLE SENSOR) . > |
| P0400 | Exhaust Gas Recirculation Flow | < Ref. to DTC P0400 EXHAUST GAS RECIRCULATION FLOW . > |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | < Ref. to DTC P0420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1) . > |
| P0442 | Evaporative Emission Control System Leak Detected (Small Leak) | < Ref. to DTC P0442 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (SMALL LEAK) . > |
| P0447 | Evaporative Emission Control System Vent Control Circuit Open | < Ref. to DTC P0447 EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL CIRCUIT OPEN . > |
| P0448 | Evaporative Emission Control System Vent Control Circuit Shorted | < Ref. to DTC P0448 EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL CIRCUIT SHORTED . > |
| P0451 | Evaporative Emission Control System Pressure Sensor | < Ref. to DTC P0451 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR . > |
| P0452 | Evaporative Emission Control System Pressure Sensor Low Input | < Ref. to DTC P0452 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR LOW INPUT . > |
| P0453 | Evaporative Emission Control System Pressure Sensor High Input | < Ref. to DTC P0453 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR HIGH INPUT . > |
| P0456 | Evaporative Emission Control System Leak Detected (Very Small Leak) | < Ref. to DTC P0456 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK) . > |
| P0457 | Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off) | < Ref. to DTC P0457 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF) . > |
| P0458 | Evaporative Emission System Purge Control Valve Circuit Low | < Ref. to DTC P0458 EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT LOW . > |
| P0459 | Evaporative Emission System Purge Control Valve Circuit High | < Ref. to DTC P0459 EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH . > |
| P0461 | Fuel Level Sensor "A" Circuit Range/Performance | < Ref. to DTC P0461 FUEL LEVEL SENSOR "A" CIRCUIT RANGE/PERFORMANCE . > |
| P0462 | Fuel Level Sensor "A" Circuit Low | < Ref. to DTC P0462 FUEL LEVEL SENSOR "A" CIRCUIT LOW . > |
| P0463 | Fuel Level Sensor "A" Circuit High | < Ref. to DTC P0463 FUEL LEVEL SENSOR "A" CIRCUIT HIGH . > |
| P0464 | Fuel Level Sensor Circuit Intermittent | < Ref. to DTC P0464 FUEL LEVEL SENSOR CIRCUIT INTERMITTENT . > |
| P0483 | Fan Rationality Check | < Ref. to DTC P0483 FAN RATIONALITY CHECK . > |
| P0500 | Vehicle Speed Sensor "A" | < Ref. to DTC P0500 VEHICLE SPEED SENSOR "A" . > |
| P0506 | Idle Air Control System RPM Lower Than Expected | < Ref. to DTC P0506 IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED . > |
| P0507 | Idle Air Control System RPM Higher Than Expected | < Ref. to DTC P0507 IDLE AIR CONTROL SYSTEM RPM HIGHER THAN EXPECTED . > |
| P0512 | Starter Request Circuit | < Ref. to DTC P0512 STARTER REQUEST CIRCUIT . > |
| P0519 | Idle Air Control System Performance | < Ref. to DTC P0519 IDLE AIR CONTROL SYSTEM PERFORMANCE . > |
| P0600 | Serial Communication Link | < Ref. to DTC P0600 SERIAL COMMUNICATION LINK . > |
| P0604 | Internal Control Module Random Access Memory (RAM) Error | < Ref. to DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR . > |
| P0605 | Internal Control Module Read Only Memory (ROM) Error | < Ref. to DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR . > |
| P0607 | Control Module Performance | < Ref. to DTC P0607 CONTROL MODULE PERFORMANCE . > |
| P0638 | Throttle Actuator Control Range/Performance (Bank 1) | < Ref. to DTC P0638 THROTTLE ACTUATOR CONTROL RANGE/PERFORMANCE (BANK 1) . > |
| P0691 | Fan 1 Control Circuit Low | < Ref. to DTC P0691 FAN 1 CONTROL CIRCUIT LOW . > |
| P0692 | Fan 1 Control Circuit High | < Ref. to DTC P0692 FAN 1 CONTROL CIRCUIT HIGH . > |
| P0700 | Transmission Control System (MIL Request) | < Ref. to DTC P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST) . > |
| P0851 | Park/Neutral Switch Input Circuit Low | < Ref. to DTC P0851 PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW (AT MODEL) . > or < Ref. to DTC P0851 NEUTRAL SWITCH INPUT CIRCUIT LOW (MT MODEL) . > |
| P0852 | Park/Neutral Switch Input Circuit High | < Ref. to DTC P0852 PARK/NEUTRAL SWITCH INPUT CIRCUIT HIGH (AT MODEL) . > or < Ref. to DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH (MT MODEL) . > |
| P1152 | O2 Sensor Circuit Range/Performance (Low) (Bank1 Sensor1) | < Ref. to DTC P1152 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (LOW) (BANK 1 SENSOR 1) . > |
| P1153 | O2 Sensor Circuit Range/Performance (High) (Bank1 Sensor1) | < Ref. to DTC P1153 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (HIGH) (BANK 1 SENSOR 1) . > |
| P1160 | Return Spring Failure | < Ref. to DTC P1160 RETURN SPRING FAILURE . > |
| P1400 | Fuel Tank Pressure Control Solenoid Valve Circuit Low | < Ref. to DTC P1400 FUEL TANK PRESSURE CONTROL SOLENOID VALVE CIRCUIT LOW . > |
| P1420 | Fuel Tank Pressure Control Sol. Valve Circuit High | < Ref. to DTC P1420 FUEL TANK PRESSURE CONTROL SOL. VALVE CIRCUIT HIGH . > |
| P1443 | Vent Control Solenoid Valve Function Problem | < Ref. to DTC P1443 VENT CONTROL SOLENOID VALVE FUNCTION PROBLEM . > |
| P1491 | Positive Crankcase Ventilation (Blow-by) Function Problem | < Ref. to DTC P1491 POSITIVE CRANKCASE VENTILATION (BLOW-BY) FUNCTION PROBLEM . > |
| P1492 | EGR Solenoid Valve Signal #1 Circuit Malfunction (Low Input) | < Ref. to DTC P1492 EGR SOLENOID VALVE SIGNAL #1 CIRCUIT MALFUNCTION (LOW INPUT) . > |
| P1493 | EGR Solenoid Valve Signal #1 Circuit Malfunction (High Input) | < Ref. to DTC P1493 EGR SOLENOID VALVE SIGNAL #1 CIRCUIT MALFUNCTION (HIGH INPUT) . > |
| P1494 | EGR Solenoid Valve Signal #2 Circuit Malfunction (Low Input) | < Ref. to DTC P1494 EGR SOLENOID VALVE SIGNAL #2 CIRCUIT MALFUNCTION (LOW INPUT) . > |
| P1495 | EGR Solenoid Valve Signal #2 Circuit Malfunction (High Input) | < Ref. to DTC P1495 EGR SOLENOID VALVE SIGNAL #2 CIRCUIT MALFUNCTION (HIGH INPUT) . > |
| P1496 | EGR Solenoid Valve Signal #3 Circuit Malfunction (Low Input) | < Ref. to DTC P1496 EGR SOLENOID VALVE SIGNAL #3 CIRCUIT MALFUNCTION (LOW INPUT) . > |
| P1497 | EGR Solenoid Valve Signal #3 Circuit Malfunction (High Input) | < Ref. to DTC P1497 EGR SOLENOID VALVE SIGNAL #3 CIRCUIT MALFUNCTION (HIGH INPUT) . > |
| P1498 | EGR Solenoid Valve Signal #4 Circuit Malfunction (Low Input) | < Ref. to DTC P1498 EGR SOLENOID VALVE SIGNAL #4 CIRCUIT MALFUNCTION (LOW INPUT) . > |
| P1499 | EGR Solenoid Valve Signal #4 Circuit Malfunction (High Input) | < Ref. to DTC P1499 EGR SOLENOID VALVE SIGNAL #4 CIRCUIT MALFUNCTION (HIGH INPUT) . > |
| P1518 | Starter Switch Circuit Low Input | < Ref. to DTC P1518 STARTER SWITCH CIRCUIT LOW INPUT . > |
| P1560 | Back-up Voltage Circuit Malfunction | < Ref. to DTC P1560 BACK-UP VOLTAGE CIRCUIT MALFUNCTION . > |
| P2096 | Post Catalyst Fuel Trim System Too Lean Bank 1 | < Ref. to DTC P2096 POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1 . > |
| P2097 | Post Catalyst Fuel Trim System Too Rich Bank 1 | < Ref. to DTC P2097 POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1 . > |
| P2101 | Throttle Actuator Control Motor Circuit Range/Performance | < Ref. to DTC P2101 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE . > |
| P2102 | Throttle Actuator Control Motor Circuit Low | < Ref. to DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW . > |
| P2103 | Throttle Actuator Control Motor Circuit High | < Ref. to DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH . > |
| P2109 | Throttle/Pedal Position Sensor "A" Minimum Stop Performance | < Ref. to DTC P2109 THROTTLE/PEDAL POSITION SENSOR "A" MINIMUM STOP PERFORMANCE . > |
| P2122 | Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input | < Ref. to DTC P2122 THROTTLE/PEDAL POSITION SENSOR / SWITCH "D" CIRCUIT LOW INPUT . > |
| P2123 | Throttle/Pedal Position Sensor/Switch "D" Circuit High Input | < Ref. to DTC P2123 THROTTLE/PEDAL POSITION SENSOR / SWITCH "D" CIRCUIT HIGH INPUT . > |
| P2127 | Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input | < Ref. to DTC P2127 THROTTLE/PEDAL POSITION SENSOR / SWITCH "E" CIRCUIT LOW INPUT . > |
| P2128 | Throttle/Pedal Position Sensor/Switch "E" Circuit High Input | < Ref. to DTC P2128 THROTTLE/PEDAL POSITION SENSOR / SWITCH "E" CIRCUIT HIGH INPUT . > |
| P2135 | Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation | < Ref. to DTC P2135 THROTTLE/PEDAL POSITION SENSOR / SWITCH "A"/"B" VOLTAGE CORRELATION . > |
| P2138 | Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation | < Ref. to DTC P2138 THROTTLE/PEDAL POSITION SENSOR / SWITCH "D"/"E" VOLTAGE CORRELATION . > |
| P2227 | Barometric Pressure Circuit Range/Performance | < Ref. to DTC P2227 BAROMETRIC PRESSURE CIRCUIT RANGE/PERFORMANCE . > |
| P2228 | Barometric Pressure Circuit Low | < Ref. to DTC P2228 BAROMETRIC PRESSURE CIRCUIT LOW . > |
| P2229 | Barometric Pressure Circuit High | < Ref. to DTC P2229 BAROMETRIC PRESSURE CIRCUIT HIGH . > |