OBD-II code · Powertrain (generic)
P024A Charge Air Cooler Bypass Control A Range/Performance
CAC bypass A does not respond mechanically as expected — bypass valve binding or actuator weak.
Is it safe to drive with P024A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBypass valve binding
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Cac Bypass Valve A
Related codes
- P0247Turbocharger Wastegate Solenoid B Low
- P0248Turbocharger Wastegate Solenoid B High
- P0249Turbocharger/Supercharger Wastegate Actuator B Low
- P024BCharge Air Cooler Bypass Control A Stuck
- P024CCharge Air Cooler Bypass Position Sensor A Circuit
- P024DCharge Air Cooler Bypass Position Sensor A Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.