Common faults with TCU
- Faults on request
- No communication possible with the ecu
- Several CAN databus participants report a missing message from the transmission control unit. The faults can be present sporadically or permanently.
- P0751 (VAG 17135) shift solenoid valve 1 (N88) short to earth / interruption
- P0756 (VAG 17140) shift solenoid valve 2 (N89) short to earth / interruption
- P0761 (VAG 17145) shift solenoid 3 (N90) short to ground / interruption
- P0766 (VAG 17150) shift solenoid 4 (N91) short to ground / interruption
- P2723 (VAG 19155) pressure control solenoid valve 5 (N233) short to earth / interruption
- P2732 (VAG 19164) pressure control valve 6 (N371): short to earth / interruption
- P1740 (VAG 18148) clutch temperature monitoring (G509)
- P1746 (VAG 18154) supply voltage for solenoid valves
- P0746 (VAG 17130) pressure control solenoid 1 (N215) short to earth /interruption
- P0776 (VAG 17160) Pressure control solenoid 2 (N216) short to earth /interruption
- P0701 Unit faulty
- P0716 (VAG 17100) transmission input speed sensor (G182) implausible signal
- P0771 (VAG 17155) shift solenoid 5 (N92) – open or short to earth
- P0722 (VAG 17106) Transmission Output Speed Sensor (G195): No Signal
- P1824 (VAG 18232) Pressure Control Valve 3 (N217): Open/Short to Earth
- P1829 (VAG 18237) Pressure Control Valve 4 (N218): Open/Short to Earth
- P1835 (VAG 18243) Pressure Control Valve 5 (N233) – Short to Plus
- P0731 (VAG 17115) gear 1 incorrect ratio
- P0732 (VAG 17116) gear 2 incorrect ratio
- P0733 (VAG 17117) gear 3 incorrect ratio
- P0734 (VAG 17118) gear 4 incorrect ratio
- P0735 (VAG 17119) gear 5 incorrect ratio
- P1604 (VAG 18012) ecu defective
Part numbers
- AUDI -Part number 02E927770AE
- AUDI -Part number 02E300050J
- AUDI -Part number 02E325025AE
- TEMIC -Part number 00401975A7
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