BMW DTC P085C – Gear Shift Control Module ‘B’ Communication Circuit High
DTC P085C meaning on BMW
The DTC P085C for BMW refers to the Gear Shift Control Module ‘B’ Communication Circuit High. This diagnostic trouble code indicates that there is a high voltage condition detected in the communication circuit of the gear shift control module ‘B’.
BMW DTC P085C symptoms
Symptoms of the BMW DTC P085C may include:
- Transmission shifting issues
- Erratic gear changes
- Warning lights on the dashboard
BMW DTC P085C causes
Common causes of the BMW DTC P085C may include:
- Faulty gear shift control module ‘B’
- Wiring or connection issues in the communication circuit
- Interference from other electronic components
BMW DTC P085C seriousness
The DTC P085C for BMW should be addressed promptly as it can lead to transmission malfunctions and potentially unsafe driving conditions. Ignoring this code may result in further damage to the transmission system.
How to diagnose DTC P085C on BMW
To diagnose the DTC P085C on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the gear shift control module ‘B’ for any visible damage
- Check the wiring and connections in the communication circuit for any issues
How to fix DTC P085C on BMW
To fix the DTC P085C on a BMW, you may need to:
- Replace the faulty gear shift control module ‘B’
- Repair any damaged wiring or connections in the communication circuit
- Clear the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC P085C on BMW
To erase the DTC P085C on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- Ensure that the underlying issue has been fixed before clearing the codes
- Perform a final check to confirm that the DTC P085C has been successfully erased
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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