P007B
Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1
Charge air cooler temperature sensor reading on bank 1 is electrically valid but implausible — does not match expected behavior under load, ambient conditions or after long soak.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Sensor reading driftedCommon
- Sensor element aged beyond calibration windowLess likely
- Sensor mounting loose - signal dampingLess likely
Parts involved
- Cac Temperature Sensor
- Intercooler
P007B is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.