P0927 – BMW DTC

BMW DTC P0927 – Gear Shift Reverse Actuator Circuit High

DTC P0927 meaning on BMW

DTC P0927 on a BMW indicates a fault in the gear shift reverse actuator circuit, specifically a high voltage condition. This fault code is triggered when the Engine Control Module (ECM) detects that the voltage in the reverse actuator circuit is higher than the specified range.

BMW DTC P0927 symptoms

Symptoms of DTC P0927 on a BMW may include:

• Difficulty shifting into or out of reverse gear
• Reverse gear not engaging properly
• Check Engine Light (CEL) illuminated on the dashboard

BMW DTC P0927 causes

The common causes of DTC P0927 on a BMW include:

• Faulty reverse actuator
• Short circuit or open circuit in the reverse actuator wiring
• Corrosion or poor connections in the reverse actuator circuit

BMW DTC P0927 seriousness

While DTC P0927 may not always result in immediate drivability issues, it is important to address this fault code promptly. Ignoring this fault can lead to further transmission problems and potential safety hazards.

How to diagnose DTC P0927 on BMW

To diagnose DTC P0927 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data.
2. Inspect the reverse actuator wiring for any visible damage or corrosion.
3. Check the reverse actuator for proper operation and electrical continuity.
4. Perform a voltage test on the reverse actuator circuit to verify the high voltage condition.

How to fix DTC P0927 on BMW

To fix DTC P0927 on a BMW, consider the following steps:

1. Replace the faulty reverse actuator if necessary.
2. Repair any damaged wiring or connectors in the reverse actuator circuit.
3. Clean any corrosion in the circuit and ensure proper connections.
4. Clear the fault code and test the vehicle to confirm the issue is resolved.

How to erase DTC P0927 on BMW

To erase DTC P0927 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After fixing the underlying issue causing the fault code, clearing it from the system will reset the Check Engine Light and ensure the repair was successful.

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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