BMW DTC P1CD5 – DC/DC Converter High Voltage Current Sensor ‘B’ Circuit Current Implausible Low
DTC P1CD5 meaning on BMW
The DTC P1CD5 code on a BMW refers to the DC/DC Converter High Voltage Current Sensor ‘B’ Circuit Current Implausible Low. This code indicates an issue with the high voltage current sensor circuit, specifically sensor ‘B’, where the current reading is lower than expected or deemed implausible by the vehicle’s control module.
BMW DTC P1CD5 symptoms
Symptoms of the DTC P1CD5 code on a BMW may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Reduced power or performance
- Possible drivability issues
BMW DTC P1CD5 causes
Common causes of the DTC P1CD5 code on a BMW include:
- Faulty high voltage current sensor ‘B’
- Wiring or connection issues in the sensor circuit
- Defective DC/DC converter
- Software or control module issues
BMW DTC P1CD5 seriousness
The DTC P1CD5 code should be addressed promptly as it can affect the performance and drivability of the vehicle. Ignoring this code may lead to further damage to the electrical system or components.
How to diagnose DTC P1CD5 on BMW
To diagnose the DTC P1CD5 code on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and freeze frame data
- Inspect the high voltage current sensor ‘B’ and its wiring for any visible damage or corrosion
- Check the DC/DC converter for proper operation
- Test the sensor circuit for continuity and proper voltage readings
- Perform a software update or reprogramming if necessary
How to fix DTC P1CD5 on BMW
To fix the DTC P1CD5 code on a BMW, the following steps may be taken:
- Replace the faulty high voltage current sensor ‘B’
- Repair any damaged wiring or connections in the sensor circuit
- Replace the DC/DC converter if found to be defective
- Clear the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC P1CD5 on BMW
To erase the DTC P1CD5 code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s control module. After the codes are cleared, it is recommended to perform a test drive to verify that the issue has been resolved.
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.