P1855 – BMW DTC

BMW DTC P1855 – Clutch Control Travel Sensor Circuit Range/Performance

DTC P1855 meaning on BMW

DTC P1855 on a BMW refers to the Clutch Control Travel Sensor Circuit Range/Performance issue. This diagnostic trouble code indicates that there is a problem with the clutch control travel sensor circuit, specifically related to its range or performance.

BMW DTC P1855 symptoms

Symptoms of DTC P1855 on a BMW may include:

  • Difficulty shifting gears
  • Clutch slippage
  • Check Engine Light illuminated
  • Reduced engine performance

BMW DTC P1855 causes

Common causes of DTC P1855 on a BMW include:

  • Faulty clutch control travel sensor
  • Wiring or connector issues in the clutch control circuit
  • Clutch control module malfunction

BMW DTC P1855 seriousness

The seriousness of DTC P1855 on a BMW depends on the underlying cause. Ignoring this issue can lead to further damage to the clutch system and potentially affect the vehicle’s drivability. It is recommended to address this problem promptly to prevent any long-term issues.

How to diagnose DTC P1855 on BMW

To diagnose DTC P1855 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes.
  2. Inspect the clutch control travel sensor and its wiring for any visible damage.
  3. Check the clutch control module for proper operation.
  4. Perform a circuit test to ensure continuity and proper voltage levels.

How to fix DTC P1855 on BMW

To fix DTC P1855 on a BMW, you can try the following:

  1. Replace the faulty clutch control travel sensor.
  2. Repair any damaged wiring or connectors in the clutch control circuit.
  3. If the clutch control module is malfunctioning, consider replacing it.
  4. Clear the fault codes and test drive the vehicle to ensure the issue is resolved.

How to erase DTC P1855 on BMW

To erase DTC P1855 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the codes are cleared, you can reset the Check Engine Light and monitor the vehicle for any recurring issues.

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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