P0956 – BMW DTC

BMW DTC P0956 – Auto Shift Manual Mode Circuit Range/Performance

DTC P0956 meaning on BMW

The Diagnostic Trouble Code (DTC) P0956 for BMW refers to the Auto Shift Manual Mode Circuit Range/Performance. This code indicates that there is an issue with the automatic transmission’s manual mode circuit, specifically related to its range or performance.

BMW DTC P0956 symptoms

Symptoms of DTC P0956 on a BMW may include:

• Difficulty shifting gears in manual mode
• Transmission may not respond correctly to manual mode inputs
• Check Engine Light (CEL) may be illuminated on the dashboard

BMW DTC P0956 causes

Common causes of DTC P0956 on a BMW include:

• Faulty manual mode switch or sensor
• Wiring or connection issues in the manual mode circuit
• Internal transmission control module (TCM) malfunction

BMW DTC P0956 seriousness

The seriousness of DTC P0956 on a BMW depends on the underlying cause. Ignoring this code can lead to potential transmission issues and affect the vehicle’s drivability. It is recommended to address this code promptly to prevent further damage.

How to diagnose DTC P0956 on BMW

To diagnose DTC P0956 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the transmission control module.
2. Inspect the manual mode switch and its wiring for any visible damage or loose connections.
3. Perform a manual mode circuit test to check for proper voltage and continuity.
4. Check the transmission control module for any internal faults or malfunctions.

How to fix DTC P0956 on BMW

To fix DTC P0956 on a BMW, you can try the following solutions:

1. Replace the faulty manual mode switch or sensor if found defective.
2. Repair any damaged wiring or connections in the manual mode circuit.
3. If the issue persists, consider replacing the transmission control module (TCM).
4. Clear the fault codes using a diagnostic scanner after the repairs are completed.

How to erase DTC P0956 on BMW

To erase DTC P0956 on a BMW, follow these steps:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port.
2. Access the scanner’s menu to clear the fault codes stored in the transmission control module.
3. Follow the on-screen instructions to erase the DTC P0956 code.
4. Once the code is cleared, perform a test drive to ensure 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

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.