P0750moderate severityPowertrain
Shift Solenoid A
on 2000-2003 Audi S6 4.2L V8 · AWD
What this code means
Malfunction in shift solenoid A.
Symptoms
- Check Engine Light
- Harsh shifting
- Wrong gear starts
- Limp mode
- Stuck in one gear
Common causes
- Faulty shift solenoid A
- Wiring damage
- PCM/TCM driver failure
- Contaminated fluid damaging solenoid
Diagnostic steps
- Test solenoid resistance
- Check wiring
- Command solenoid with scan tool
- Check fluid condition
Repair notes
Replace shift solenoid A. Often requires valve body removal.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Powertrain codes on this vehicle
00532
Supply Voltage B+ Signal too Low
16394
Camshaft/Crankshaft Position Correlation Bank 1
16395
Camshaft Position Actuator Circuit/Open Bank 1
16486
Mass or Volume Air Flow Circuit Low Input
16487
Mass or Volume Air Flow Circuit High Input
16500
Engine Coolant Temperature Circuit Malfunction
16501
Engine Coolant Temperature Circuit Low Input
16502
Engine Coolant Temperature Circuit High Input
16514
O2 Sensor Circuit Bank 1 Sensor 1
16515
O2 Sensor Circuit Low Voltage Bank 1 Sensor 1