BMW DTC P1CCB – DC/DC Converter Current Sensor Signal ‘B’ Circuit Current Out of Range High
DTC P1CCB meaning on BMW
DTC P1CCB on a BMW refers to the DC/DC Converter Current Sensor Signal ‘B’ Circuit Current Out of Range High. This diagnostic trouble code indicates that the current sensor signal ‘B’ in the DC/DC converter circuit is reading a current value that is higher than the expected range.
BMW DTC P1CCB symptoms
Symptoms of BMW DTC P1CCB may include:
- Check Engine Light (MIL) illuminated
- Reduced engine performance
- Vehicle may go into limp mode
BMW DTC P1CCB causes
Possible causes of BMW DTC P1CCB include:
- Faulty DC/DC converter current sensor
- Wiring or connection issues in the current sensor circuit
- Internal DC/DC converter fault
BMW DTC P1CCB seriousness
The seriousness of BMW DTC P1CCB lies in the potential for reduced engine performance and the risk of the vehicle going into limp mode. It is important to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P1CCB on BMW
To diagnose BMW DTC P1CCB, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the wiring and connections in the DC/DC converter current sensor circuit
- Test the DC/DC converter current sensor for proper operation
- Check for any internal faults in the DC/DC converter
How to fix DTC P1CCB on BMW
To fix BMW DTC P1CCB, the following steps may be taken:
- Replace the faulty DC/DC converter current sensor
- Repair any wiring or connection issues in the current sensor circuit
- If the DC/DC converter is found to be faulty, it may need to be replaced
How to erase DTC P1CCB on BMW
After addressing the underlying issue causing BMW DTC P1CCB, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow the vehicle to operate normally again.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.