P0785moderate severityPowertrain
Shift/Timing Solenoid Malfunction
on 2002 Audi A6 3.0L V6 · AWD
What this code means
The shift or timing solenoid circuit is not performing as expected. This affects the timing and quality of gear changes.
Symptoms
- Harsh or erratic shifts
- Delayed engagement
- Check engine light on
Common causes
- Failed shift/timing solenoid
- Wiring or connector fault
- Low transmission fluid
- Faulty valve body
Diagnostic steps
- Check transmission fluid level
- Scan for solenoid-related codes
- Measure solenoid resistance and wiring
- Inspect and test the valve body
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