OBD-II code · Powertrain (generic, extended)
P2E57 Exhaust Pressure Sensor C Circuit High
The ECM detects a circuit high fault on the exhaust pressure sensor c circuit. Reading cannot be used reliably for control.
Is it safe to drive with P2E57?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleOpen sensor
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Exhaust Pressure Sensor C, Wiring Harness, Ecm
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.