BMW DTC P0803 – Upshift/Skip Shift Solenoid Control Circuit
DTC P0803 meaning on BMW
DTC P0803 on a BMW refers to the Upshift/Skip Shift Solenoid Control Circuit. This diagnostic trouble code indicates an issue with the control circuit of the upshift/skip shift solenoid in the transmission system.
BMW DTC P0803 symptoms
Symptoms of BMW DTC P0803 may include:
- Difficulty shifting gears
- Harsh or delayed shifting
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P0803 causes
Common causes of BMW DTC P0803 include:
- Faulty upshift/skip shift solenoid
- Wiring issues in the solenoid control circuit
- Corrosion or poor connections in the circuit
BMW DTC P0803 seriousness
While DTC P0803 may not cause immediate drivability issues, it can lead to transmission problems if left unresolved. It is recommended to address this code promptly to prevent further damage to the transmission system.
How to diagnose DTC P0803 on BMW
To diagnose DTC P0803 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the trouble codes.
- Inspect the upshift/skip shift solenoid and its wiring for any visible damage or corrosion.
- Test the solenoid and circuit for proper voltage and continuity.
How to fix DTC P0803 on BMW
To fix DTC P0803 on a BMW, you can try the following:
- Replace the faulty upshift/skip shift solenoid.
- Repair any damaged wiring or connections in the control circuit.
- Clear the trouble codes and test drive the vehicle to ensure the issue is resolved.
How to erase DTC P0803 on BMW
To erase DTC P0803 on a BMW, you can:
- Use a diagnostic scanner to clear the trouble codes.
- Disconnect the vehicle’s battery for a few minutes to reset the system.
- After performing the necessary repairs, clear the codes again and verify that the CEL is no longer illuminated.
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.