OBD-II code · Powertrain (generic, extended)
P2620 Throttle Position Output Circuit
A general electrical fault on the ECU output that broadcasts the throttle position signal to other modules — for example to the transmission control or hybrid drive controller.
Is it safe to drive with P2620?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOutput wire open or shorted
- PossibleECU output stage failed
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Ecm, Vehicle Data Bus
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.