BMW DTC P12CE – Charge Air Cooler Temperature Sensor Circuit Temperature Out of Range High (Bank 1)
DTC P12CE meaning on BMW
The DTC P12CE on a BMW indicates an issue with the Charge Air Cooler Temperature Sensor Circuit Temperature being out of range high on Bank 1. This means that the sensor responsible for monitoring the temperature of the charge air cooler is detecting a temperature that is higher than the expected range.
BMW DTC P12CE symptoms
Symptoms of the DTC P12CE on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Possible engine overheating
BMW DTC P12CE causes
Common causes of the DTC P12CE on a BMW include:
- Faulty charge air cooler temperature sensor
- Wiring or connector issues in the sensor circuit
- Software or calibration issues
BMW DTC P12CE seriousness
The seriousness of the DTC P12CE on a BMW depends on the underlying cause. Ignoring this issue can lead to reduced engine performance, potential engine damage, and increased fuel consumption. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P12CE on BMW
To diagnose the DTC P12CE on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the charge air cooler temperature sensor and its wiring for any visible damage
- Check the sensor readings using a multimeter to verify if they are within the specified range
- Perform a visual inspection of the sensor circuit components for any signs of corrosion or loose connections
How to fix DTC P12CE on BMW
To fix the DTC P12CE on a BMW, you can try the following solutions:
- Replace the faulty charge air cooler temperature sensor
- Repair or replace any damaged wiring or connectors in the sensor circuit
- Update the software or calibration of the engine control module if necessary
How to erase DTC P12CE on BMW
To erase the DTC P12CE on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the engine control module. After addressing the underlying issue and fixing the problem, you can reset the codes to turn off the Check Engine Light.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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