P0707high severityPowertrain
Transmission Range Sensor Circuit Low
on 2003 Audi A6 3.0L V6 · AWD
What this code means
The PCM detected a low voltage signal from the transmission range sensor. This can cause no-start conditions or incorrect gear indication.
Symptoms
- No start in park or neutral
- Wrong gear displayed
- Check engine light on
Common causes
- Faulty transmission range sensor
- Short to ground in sensor wiring
- Corroded or loose connector
- Misadjusted range sensor
Diagnostic steps
- Scan and confirm P0707 code
- Inspect range sensor wiring for shorts
- Test range sensor signal voltage
- Verify sensor adjustment and connector
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