C1056 – BMW DTC

BMW DTC C1056 – Rear Axle Brake Circuit Range/Performance

DTC C1056 meaning on BMW

DTC C1056 on a BMW refers to a Rear Axle Brake Circuit Range/Performance issue. This diagnostic trouble code indicates that there is a problem with the rear axle brake circuit, specifically related to its range or performance.

BMW DTC C1056 symptoms

Symptoms of DTC C1056 on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Braking performance may be affected
  • Unusual noises coming from the rear axle area

BMW DTC C1056 causes

Common causes of DTC C1056 on a BMW include:

  • Faulty rear axle brake sensor
  • Wiring issues in the rear axle brake circuit
  • Brake system component failure

BMW DTC C1056 seriousness

The seriousness of DTC C1056 on a BMW depends on the underlying cause. If left unresolved, it can lead to compromised braking performance and potentially unsafe driving conditions. It is recommended to address this issue promptly.

How to diagnose DTC C1056 on BMW

To diagnose DTC C1056 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the rear axle brake sensor and wiring for any visible damage
  3. Check the brake system components for proper functioning

How to fix DTC C1056 on BMW

To fix DTC C1056 on a BMW, you can try the following:

  1. Replace the faulty rear axle brake sensor
  2. Repair any damaged wiring in the rear axle brake circuit
  3. Inspect and replace any failed brake system components

How to erase DTC C1056 on BMW

To erase DTC C1056 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault codes
  2. Ensure that the underlying issue has been resolved before clearing the code

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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