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(M) Malfunction Indicator Lamp (MIL) illuminated during engine operation if this DTC was recorded (depending if required by CARB and/or EPA). MIL is displayed as an engine icon on instrument panel. P0406 EGR Position Sensor Volts Too High EGR position sensor input above the acceptable voltage range. P0412 Secondary Air Solenoid Circuit An open or shorted condition detected in the secondary air (air switching/aspirator) solenoid control circuit. P0420 (M) 1/1 Catalytic Converter Efficiency Catalyst 1/1 efficiency below required level. P0432 (M) 1/2 Catalytic Converter Efficiency Catalyst 2/1 efficiency below required level. P0441 (M) Evap Purge Flow Monitor Insufficient or excessive vapor flow detected during evaporative emission system operation. P0442 (M) Evap Leak Monitor Medium Leak Detected A small leak has been detected in the evaporative system. P0443 (M) Evap Purge Solenoid Circuit An open or shorted condition detected in the EVAP purge solenoid control circuit. P0455 (M) Evap Leak Monitor Large Leak Detected A large leak has been detected in the evaporative system. P0456 (M) Evap Leak Monitor Small Leak Detected Leak has been detected in the evaporative system. P0460 Fuel Level Unit No Change Over Miles During low fuel P0460 Fuel Level Unit No Change Over Miles Fuel level sending unit voltage does not change for more than 40 miles. P0462 Fuel Level Sending Unit Volts Too Low Fuel level sensor input below acceptable voltage. P0462 (M) Fuel Level Sending Unit Volts Too Low Open circuit between PCM and fuel gauge sending unit. P0463 Fuel Level Sending Unit Volts Too High Fuel level sensor input above acceptable voltage. P0463 (M) Fuel Level Sending Unit Volts Too High Circuit shorted to voltage between PCM and fuel gauge sending unit. P0500 (M) No Vehicle Speed Sensor Signal No vehicle speed sensor signal detected during road load conditions. P0500 (M) No Vehicle Speed Sensor Signal A vehicle speed signal was not detected. P0505 (M) Idle Air Control Motor Circuits SBEC II P0522 Check Gauges Light Oil Pressure Voltage Too Low Oil pressure sending unit (sensor) voltage input below the minimum acceptable voltage. P0523 Check Gauges Light Oil Pressure Voltage Too High Oil pressure sending unit (sensor) voltage input above the maximum acceptable voltage. P0524 Check Gauges Light Oil Pressure Too Low Engine oil pressure is low. Engine power derated. P0545 A/C Clutch Relay Circuit Problem detected in air conditioning clutch relay control circuit. 25 - 8 EMISSION CONTROL SYSTEMS WJ DESCRIPTION AND OPERATION (Continued) |