OBD-II code · Powertrain (generic, extended)
P2C24 Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit Low
The position sensor for exhaust heat exchanger bypass valve A reports a circuit low condition. Heat recovery routing cannot be verified reliably.
Is it safe to drive with P2C24?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to ground
- PossibleInternal sensor short
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Exhaust Heat Exchanger Bypass Valve A Pos Sensor, Wiring Harness, Ecm
Related codes
- P2C21Engine Oil Temperature Sensor A/B Correlation
- P2C22Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit
- P2C23Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Performance
- P2C25Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit High
- P2C26Fuel Injector Group B Supply Sense Circuit
- P2C27Fuel Injector Group B Supply Sense Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.