P0444 AUDI EVAP System Purge Control Valve Circuit Open

Possible causes – Faulty Evaporative Emission (EVAP) Purge Solenoid Control– Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted– Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection When is the obd code mean? – An excessively low voltage signal is sent to ECM through the valve Symptoms – Engine Light ON…

P0459 AUDI EVAP System Purge Control Solenoid High

Possible causes – Faulty Evaporative Emission (EVAP) Purge Solenoid Control– Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted– Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected a high voltage on the canister purge solenoid with the driver…

P0429 AUDI Catalyst Heater Control Circuit Bank 1

Possible causes – Faulty Catalyst Temperature Sensor– Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection Tech description As the code description implies the P0429 code means that the vehicle’s control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the…

P0811 AUDI Excessive Clutch Slippage

Possible causes – Faulty Clutch Position Sensor– Clutch Position Sensor harness is open or shorted– Clutch Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0704 AUDI Clutch Switch Input Circuit Malfunction

Possible causes – Faulty Clutch Switch– Misadjusted Clutch Switch– Clutch Switch harness is open or shorted– Clutch Switch circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description Check clutch switch adjustment, the switch should open and close when the clutch pedal is depress. If the switch is properly adjusted, replaced the clutch switch…

P0725 AUDI Engine Speed Input Circuit Malfunction

Possible causes – Faulty Crankshaft Position (CKP) Sensor– Crankshaft Position (CKP) Sensor harness is open or shorted– Crankshaft Position (CKP) Sensor circuit poor electrical connection– Communication error between the Engine Control Module (ECM) and Transmission Control Module (TCM) When is the obd code mean? The P0725 Codes is triggered when Transmission Control Module (TCM) does…

P0726 AUDI Engine Speed Input Circuit Range/Performance

Possible causes – Faulty Crankshaft Position (CKP) Sensor– Crankshaft Position (CKP) Sensor harness is open or shorted– Crankshaft Position (CKP) Sensor circuit poor electrical connection– Communication error between the Engine Control Module (ECM) and Transmission Control Module (TCM) When is the obd code mean? The P0726 Codes is triggered when the TCM detected that the…

P0727 AUDI Engine Speed Input Circuit No Signal

Possible causes – Faulty Crankshaft Position (CKP) Sensor– Crankshaft Position (CKP) Sensor harness is open or shorted– Crankshaft Position (CKP) Sensor circuit poor electrical connection– Communication error between the Engine Control Module (ECM) and Transmission Control Module (TCM) When is the obd code mean? The P0727 Codes is triggered when the TCM receives no signal…