BMW DTC P0887 – TCM Power Relay Control Circuit High
DTC P0887 meaning on BMW
The Diagnostic Trouble Code (DTC) P0887 for BMW refers to the TCM (Transmission Control Module) Power Relay Control Circuit High. This code indicates that the TCM is detecting a high voltage condition in the power relay control circuit.
BMW DTC P0887 symptoms
Symptoms of DTC P0887 on a BMW may include:
- Transmission shifting issues
- Transmission stuck in a single gear
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P0887 causes
Common causes of DTC P0887 on a BMW include:
- Defective TCM power relay
- Short circuit in the power relay control circuit
- Faulty wiring or connectors in the TCM circuit
BMW DTC P0887 seriousness
The seriousness of DTC P0887 on a BMW lies in the potential transmission issues it can cause. Ignoring this code can lead to further damage to the transmission system and may result in unsafe driving conditions.
How to diagnose DTC P0887 on BMW
To diagnose DTC P0887 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the TCM power relay and related wiring for any visible damage
- Check the power relay control circuit for continuity and proper voltage levels
How to fix DTC P0887 on BMW
To fix DTC P0887 on a BMW, you can try the following:
- Replace the TCM power relay if it is found to be defective
- Repair any short circuits or damaged wiring in the power relay control circuit
- Ensure all connectors in the TCM circuit are properly connected and free of corrosion
How to erase DTC P0887 on BMW
To erase DTC P0887 on a BMW, you can clear the fault codes using a diagnostic scanner. After fixing the underlying issue that caused the code, you can reset the system to clear the code from the vehicle’s memory.
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.