BMW DTC P0814 – Transmission Range Display Circuit
DTC P0814 meaning on BMW
DTC P0814 on a BMW refers to the Transmission Range Display Circuit. This diagnostic trouble code indicates that there is a malfunction in the circuit responsible for displaying the transmission range on the vehicle’s dashboard or instrument cluster.
BMW DTC P0814 symptoms
Symptoms of DTC P0814 on a BMW may include:
- Incorrect or erratic display of the transmission range on the dashboard
- Transmission range display not working at all
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P0814 causes
Common causes of DTC P0814 on a BMW include:
- Faulty transmission range display unit
- Wiring or connection issues in the transmission range display circuit
- Defective transmission range sensor
BMW DTC P0814 seriousness
While DTC P0814 may not directly affect the drivability of the vehicle, it is still important to address this issue as it can lead to confusion regarding the transmission range, potentially causing safety concerns or inconvenience.
How to diagnose DTC P0814 on BMW
To diagnose DTC P0814 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the transmission range display unit for any visible damage
- Check the wiring and connections in the transmission range display circuit for continuity and proper connection
- Test the transmission range sensor for proper operation
How to fix DTC P0814 on BMW
To fix DTC P0814 on a BMW, the following steps may be taken:
- Replace the faulty transmission range display unit if necessary
- Repair any damaged wiring or connections in the transmission range display circuit
- Replace the defective transmission range sensor if found to be faulty
How to erase DTC P0814 on BMW
To erase DTC P0814 on a BMW, the fault code can be cleared using a diagnostic scanner. After the necessary repairs have been made, the code can be cleared to reset the Check Engine Light and ensure 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
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