Category: Audi

P0738 Audi Transmission Control Module (TCM) Engine Speed Output Circuit Low OBD Code: System: Subsystem:  P0738 Audi – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Control Module (TCM) Engine Speed Output Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi…

P0739 Audi Transmission Control Module (TCM) Engine Speed Output Circuit High OBD Code: System: Subsystem:  P0739 Audi – (ASE)  Powertrain  Transmission Controls Trouble Code Description: Transmission Control Module (TCM) Engine Speed Output Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi…

P0732 Audi Gear 2 Incorrect Ratio Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty Shift Solenoids– Shift Solenoids harness is open or shorted– Shift Solenoids circuit poot electrical connection– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary….

P0733 Audi Gear 3 Incorrect Ratio Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. What about the obd code? P0733 Audi is detected when A/T cannot be shifted…

P0734 Audi Gear 4 Incorrect Ratio Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. What about the obd code? P0734 Audi is detected when A/T cannot be shifted…

P0735 Audi Gear 5 Incorrect Ratio Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. What about the obd code? P0735 Audi is detected when A/T cannot be shifted…

P0728 Audi Engine Speed Input Circuit Intermittent 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) What about the obd code? The P0728 Audi Codes is…

P0729 Audi Automatic Transmission 6th Gear Incorrect Ratio Possible causes – Low transmission fluid level– Shift solenoid mechanical fault– Hydraulic circuit fault– Transmission failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Transmission will not shift into 6th gear P0729 Audi Description This malfunction is detected when the A/T does not shift…

P0730 Audi Faulty Shift Control System Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. What about the obd code? The TCM has detected that the transmission is trying…

P0731 Audi Gear 1 Incorrect Ratio Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. What about the obd code? P0731 Audi is detected when A/T cannot be shifted…

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) What about the obd code? The P0727 Audi Codes…

P0723 Audi Output Speed Sensor Intermittent Signal Possible causes – Faulty Speed Sensor– Speed Sensor harness is open or shorted– Speed Sensor circuit poor electrical connection What about the obd code? The output shaft speed sensor failed to provide a signal to the Transmission Control Module (TCM) upon initial movement of vehicle. Symptoms – Engine…

P0724 Audi Brake Switch B Circuit High Possible causes – Faulty Brake Switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection– Misadjusted Brake Switch What about the obd code? The stop light switch does not turn off even once vehicle is driven. Symptoms – Engine Light ON (or Service Engine…

P0725 Audi Engine Speed Sensor Circuit 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) What about the obd code? The P0725 Audi Codes is triggered…

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) What about the obd code? The P0726 Audi Codes is…

P0720 Audi Output Speed Sensor Circuit Malfunction Possible causes – Faulty Revolution Sensor– Revolution Sensor harness is open or shorted– Revolution Sensor circuit poor electrical connection Tech description On most Infiniti vehicles, the vehicle speed sensor is called Revolution Sensor. If there are no mechanical problems in the transmission, usually replacing the revolution sensor takes…

P0721 Audi Output Speed Sensor Range/Performance Possible causes – Faulty Speed Sensor– Speed Sensor harness is open or shorted– Speed Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Speedometer improper reading– Possible shifting problems P0721 Audi Description The speed sensor detects the revolution of the idler gear…

P0722 Audi Output Speed Sensor No Signal Possible causes – Faulty Speed Sensor– Speed Sensor harness is open or shorted– Speed Sensor circuit poor electrical connection What about the obd code? The output shaft speed sensor failed to provide a signal to the Transmission Control Module (TCM) upon initial movement of vehicle. Symptoms – Engine…