Fault diagnosis, fault codes

📄 DTC P0030 HO2S HEATER CONTROL CIRCUIT (BANK 1 SENSOR 1)

📄 DTC P0031 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 1)

📄 DTC P0032 HO2S HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 1)

📄 DTC P0037 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2)

📄 DTC P0038 HO2S HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 2)

📄 DTC P0068 MANIFOLD PRESSURE SENSOR RANGE/PERFORMANCE

📄 DTC P0101 MASS OR VOLUME AIR FLOW CIRCUIT RANGE/PERFORMANCE

📄 DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT

📄 DTC P0103 MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT

📄 DTC P0107 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE CIRCUIT LOW INPUT

📄 DTC P0108 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE CIRCUIT HIGH INPUT

📄 DTC P0111 INTAKE AIR TEMPERATURE CIRCUIT RANGE/PERFORMANCE

📄 DTC P0112 INTAKE AIR TEMPERATURE CIRCUIT LOW INPUT

📄 DTC P0113 INTAKE AIR TEMPERATURE CIRCUIT HIGH INPUT

📄 DTC P0117 ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT

📄 DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT

📄 DTC P0122 THROTTLE/PEDAL POSITION SENSOR/SWITCH “A” CIRCUIT LOW INPUT

📄 DTC P0123 THROTTLE/PEDAL POSITION SENSOR/SWITCH “A” CIRCUIT HIGH INPUT

📄 DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL

📄 DTC P0126 INSUFFICIENT COOLANT TEMPERATURE FOR STABLE OPERATION

📄 DTC P0128 COOLANT THERMOSTAT (COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)

📄 DTC P0131 O2 SENSOR CIRCUIT LOW VOLTAGE (BANK 1 SENSOR 1)

📄 DTC P0132 O2 SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 1)

📄 DTC P0133 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1)

📄 DTC P0134 O2 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR 1)

📄 DTC P0137 O2 SENSOR CIRCUIT LOW VOLTAGE (BANK 1 SENSOR 2)

📄 DTC P0138 O2 SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 2)

📄 DTC P0139 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 2)

📄 DTC P0171 SYSTEM TOO LEAN (BANK 1)

📄 DTC P0172 SYSTEM TOO RICH (BANK 1)

📄 DTC P0181 FUEL TEMPERATURE SENSOR “A” CIRCUIT RANGE/PERFORMANCE

📄 DTC P0182 FUEL TEMPERATURE SENSOR “A” CIRCUIT LOW INPUT

📄 DTC P0183 FUEL TEMPERATURE SENSOR “A” CIRCUIT HIGH INPUT

📄 DTC P0222 THROTTLE/PEDAL POSITION SENSOR/SWITCH “B” CIRCUIT LOW INPUT

📄 DTC P0223 THROTTLE/PEDAL POSITION SENSOR/SWITCH “B” CIRCUIT HIGH INPUT

📄 DTC P0301 CYLINDER 1 MISFIRE DETECTED

📄 DTC P0302 CYLINDER 2 MISFIRE DETECTED

📄 DTC P0303 CYLINDER 3 MISFIRE DETECTED

📄 DTC P0304 CYLINDER 4 MISFIRE DETECTED

📄 DTC P0327 KNOCK SENSOR 1 CIRCUIT LOW INPUT (BANK 1 OR SINGLE SENSOR)

📄 DTC P0328 KNOCK SENSOR 1 CIRCUIT HIGH INPUT (BANK 1 OR SINGLE SENSOR)

📄 DTC P0335 CRANKSHAFT POSITION SENSOR “A” CIRCUIT

📄 DTC P0336 CRANKSHAFT POSITION SENSOR “A” CIRCUIT RANGE/PERFORMANCE

📄 DTC P0340 CAMSHAFT POSITION SENSOR “A” CIRCUIT (BANK 1 OR SINGLE SENSOR)

📄 DTC P0341 CAMSHAFT POSITION SENSOR “A” CIRCUIT RANGE/PERFORMANCE (BANK 1 OR SINGLE SENSOR)

📄 DTC P0400 EXHAUST GAS RECIRCULATION FLOW

📄 DTC P0420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1)

📄 DTC P0442 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (SMALL LEAK)

📄 DTC P0447 EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL CIRCUIT OPEN

📄 DTC P0448 EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL CIRCUIT SHORTED

📄 DTC P0451 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR RANGE/PERFORMANCE

📄 DTC P0452 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR LOW INPUT

📄 DTC P0453 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR HIGH INPUT

📄 DTC P0456 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK)

📄 DTC P0457 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (FUEL CAP LOOSE/OFF)

📄 DTC P0458 EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CONTROL VALVE CIRCUIT LOW

📄 DTC P0459 EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH

📄 DTC P0461 FUEL LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE

📄 DTC P0462 FUEL LEVEL SENSOR CIRCUIT LOW INPUT

📄 DTC P0463 FUEL LEVEL SENSOR CIRCUIT HIGH INPUT

📄 DTC P0464 FUEL LEVEL SENSOR CIRCUIT INTERMITTENT

📄 DTC P0483 COOLING FAN RATIONALITY CHECK

📄 DTC P0502 VEHICLE SPEED SENSOR CIRCUIT LOW INPUT

📄 DTC P0503 VEHICLE SPEED SENSOR INTERMITTENT/ERRATIC/HIGH

📄 DTC P0506 IDLE CONTROL SYSTEM RPM LOWER THAN EXPECTED

📄 DTC P0507 IDLE CONTROL SYSTEM RPM HIGHER THAN EXPECTED

📄 DTC P0512 STARTER REQUEST CIRCUIT

📄 DTC P0519 IDLE CONTROL SYSTEM MALFUNCTION (FAIL-SAFE)

📄 DTC P0600 SERIAL COMMUNICATION LINK

📄 DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR

📄 DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR

📄 DTC P0607 CONTROL MODULE PERFORMANCE

📄 DTC P0638 THROTTLE ACTUATOR CONTROL RANGE/PERFORMANCE (BANK 1)

📄 DTC P0691 COOLING FAN 1 CONTROL CIRCUIT LOW

📄 DTC P0692 COOLING FAN 1 CONTROL CIRCUIT HIGH

📄 DTC P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST)

📄 DTC P0851 NEUTRAL SWITCH INPUT CIRCUIT LOW (AT MODEL)

📄 DTC P0851 NEUTRAL SWITCH INPUT CIRCUIT LOW (MT MODEL)

📄 DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH (AT MODEL)

📄 DTC P0852 NEUTRAL SWITCH INPUT CIRCUIT HIGH (MT MODEL)

📄 DTC P1152 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (LOW) (BANK1 SENSOR1)

📄 DTC P1153 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (HIGH) (BANK1 SENSOR1)

📄 DTC P1160 RETURN SPRING FAILURE

📄 DTC P1400 FUEL TANK PRESSURE CONTROL SOLENOID VALVE CIRCUIT LOW

📄 DTC P1420 FUEL TANK PRESSURE CONTROL SOL. VALVE CIRCUIT HIGH

📄 DTC P1443 VENT CONTROL SOLENOID VALVE FUNCTION PROBLEM

📄 DTC P1446 FUEL TANK SENSOR CONTROL VALVE CIRCUIT LOW

📄 DTC P1447 FUEL TANK SENSOR CONTROL VALVE CIRCUIT HIGH

📄 DTC P1492 EGR SOLENOID VALVE SIGNAL #1 CIRCUIT MALFUNCTION (LOW INPUT)

📄 DTC P1493 EGR SOLENOID VALVE SIGNAL #1 CIRCUIT MALFUNCTION (HIGH INPUT)

📄 DTC P1494 EGR SOLENOID VALVE SIGNAL #2 CIRCUIT MALFUNCTION (LOW INPUT)

📄 DTC P1495 EGR SOLENOID VALVE SIGNAL #2 CIRCUIT MALFUNCTION (HIGH INPUT)

📄 DTC P1496 EGR SOLENOID VALVE SIGNAL #3 CIRCUIT MALFUNCTION (LOW INPUT)

📄 DTC P1497 EGR SOLENOID VALVE SIGNAL #3 CIRCUIT MALFUNCTION (HIGH INPUT)

📄 DTC P1498 EGR SOLENOID VALVE SIGNAL #4 CIRCUIT MALFUNCTION (LOW INPUT)

📄 DTC P1499 EGR SOLENOID VALVE SIGNAL #4 CIRCUIT MALFUNCTION (HIGH INPUT)

📄 DTC P1518 STARTER SWITCH CIRCUIT LOW INPUT

📄 DTC P1560 BACK-UP VOLTAGE CIRCUIT MALFUNCTION

📄 DTC P2096 POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1

📄 DTC P2097 POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1

📄 DTC P2101 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE

📄 DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW

📄 DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH

📄 DTC P2109 THROTTLE ANGLE SENSOR CLOSED POSITION ERROR

📄 DTC P2122 THROTTLE/PEDAL POSITION SENSOR/SWITCH “D” CIRCUIT LOW INPUT

📄 DTC P2123 THROTTLE/PEDAL POSITION SENSOR/SWITCH “D” CIRCUIT HIGH INPUT

📄 DTC P2127 THROTTLE/PEDAL POSITION SENSOR/SWITCH “E” CIRCUIT LOW INPUT

📄 DTC P2128 THROTTLE/PEDAL POSITION SENSOR/SWITCH “E” CIRCUIT HIGH INPUT

📄 DTC P2135 THROTTLE/PEDAL POSITION SENSOR/SWITCH “A” / “B” VOLTAGE RATIONALITY

📄 DTC P2138 THROTTLE/PEDAL POSITION SENSOR/SWITCH “D” / “E” VOLTAGE RATIONALITY

📄 DTC P2227 BAROMETRIC PRESSURE TOO LOW

📄 DTC P2228 ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNCTION (LOW INPUT)

📄 DTC P2229 ATMOSPHERIC PRESSURE SENSOR CIRCUIT MALFUNCTION (HIGH INPUT)