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.
The position sensor for exhaust heat exchanger bypass valve A reports a circuit low condition. Heat recovery routing cannot be verified reliably.
Common causes
- high
Signal wire shorted to ground
One of the most commonly reported causes for this code — check this first.
Typical part cost: $170-880
- medium
Internal sensor short
A plausible cause — test and verify before replacing parts.
Typical part cost: $170-880
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for P2C24.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for P2C24.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for P2C24.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does P2C24 mean?
P2C24 means "Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit Low". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P2C24?
signal wire shorted to ground; internal sensor short; connector pins corroded - high contact resistance — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Get the full P2C24 diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.