Back to 2003 BMW 525iT E39

2003 BMW 525IT E39

2.5L I6 M54 TouringRWDAUTOMATICgas
Repairs0Labor595Torque2406Fluid7DTC722Battery0Maintenance0Recalls0
P2107high severityPowertrain

Throttle Actuator Control Module Processor

on 2003 BMW 525iT E39 2.5L I6 M54 Touring · RWD

What this code means

Internal processor fault in the throttle actuator control module.

Symptoms

  • Check engine light
  • Limp mode
  • Erratic throttle behavior

Common causes

  • ECM/TCM internal failure
  • Power supply issue
  • Software corruption

Diagnostic steps

  1. Check ECM power supply voltages
  2. Attempt software reflash
  3. Check for TSBs

Repair notes

Reflash ECM software. If fault persists, replace ECM.

Other Powertrain codes on this vehicle

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