BMW DTC P18E8 – Transmission Range Select Motor Control Circuit Shorted
DTC P18E8 meaning on BMW
DTC P18E8 on a BMW refers to a fault with the Transmission Range Select Motor Control Circuit being shorted. This fault code indicates that there is an electrical issue in the circuit controlling the transmission range select motor.
BMW DTC P18E8 symptoms
Symptoms of DTC P18E8 on a BMW may include:
- Transmission not shifting correctly
- Transmission stuck in one gear
- Check Engine Light illuminated
BMW DTC P18E8 causes
Common causes of DTC P18E8 on a BMW include:
- Short circuit in the transmission range select motor control circuit
- Faulty transmission range select motor
- Corroded or damaged wiring in the circuit
BMW DTC P18E8 seriousness
DTC P18E8 should be addressed promptly as it can lead to drivability issues and potential transmission damage if left unresolved. It is recommended to diagnose and repair this fault as soon as possible.
How to diagnose DTC P18E8 on BMW
To diagnose DTC P18E8 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the transmission range select motor control circuit for any visible damage or corrosion
- Test the transmission range select motor for proper operation
- Check the wiring harness for continuity and shorts
How to fix DTC P18E8 on BMW
To fix DTC P18E8 on a BMW, you can:
- Repair any damaged or corroded wiring in the transmission range select motor control circuit
- Replace the transmission range select motor if faulty
- Clear the fault code and test drive the vehicle to ensure the issue is resolved
How to erase DTC P18E8 on BMW
To erase DTC P18E8 on a BMW, you can:
- Use a diagnostic scanner to clear the fault code
- Ensure the repair has been completed successfully
- Perform a test drive to confirm the fault code does not return