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P0737 – BMW DTC

BMW DTC P0737 – TCM Engine Speed Output Circuit

DTC P0737 meaning on BMW

DTC P0737 on a BMW indicates a problem with the Transmission Control Module (TCM) Engine Speed Output Circuit. This fault code specifically points to an issue with the signal that the TCM receives from the engine speed sensor.

BMW DTC P0737 symptoms

Symptoms of DTC P0737 on a BMW may include:

  • Check Engine Light illuminated
  • Transmission shifting issues
  • Harsh or delayed shifting
  • Reduced fuel efficiency

BMW DTC P0737 causes

Common causes of DTC P0737 on a BMW include:

  • Defective engine speed sensor
  • Faulty wiring or connectors in the engine speed output circuit
  • Issues with the TCM itself

BMW DTC P0737 seriousness

DTC P0737 should be addressed promptly as it can lead to further transmission problems if left unresolved. Ignoring this fault code may result in more severe damage to the transmission system.

How to diagnose DTC P0737 on BMW

To diagnose DTC P0737 on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code
  2. Inspect the engine speed sensor and its wiring for any visible damage
  3. Check the TCM for any signs of malfunction
  4. Test the engine speed sensor’s output signal

How to fix DTC P0737 on BMW

To fix DTC P0737 on a BMW, you may need to:

  1. Replace the faulty engine speed sensor
  2. Repair or replace damaged wiring or connectors in the engine speed output circuit
  3. If the TCM is faulty, it may need to be replaced or reprogrammed

How to erase DTC P0737 on BMW

To erase DTC P0737 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault code
  2. After fixing the underlying issue, drive the vehicle to allow the system to recheck and confirm the repair

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

← All BMW Diagnostic Trouble Codes

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