Error code

OBD2 P2106

OBD2P2106
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Throttle Actuator Control System - Forced Limited Power.

Severity

moderateCan be driven but with limited throttle response and potential issues with the automatic transmission.

Summary

P2106 indicates that the PCM has initiated a fail-safe mode due to a malfunction or failure in another system, often resulting in limited throttle control and reduced engine responsiveness.

Symptoms

  • Stored trouble code and illuminated warning light(s)
  • Little or no throttle response
  • Automatic transmission may not shift at all

Common Causes

  • Engine overheating
  • Coolant leaks
  • Modifications to the drive axle
  • ABS, Traction Control, Stability Control failures
  • Automatic transmission problems
  • Abnormal system voltages
  • Throttle actuator control (TAC) motor or APP sensor failure

Diagnosis

  1. Record all fault codes present, including freeze frame data.
  2. Consult the manual for detailed information on causes specific to your vehicle.
  3. Perform diagnostic procedures recommended by the manufacturer to confirm or eliminate the throttle control system as the root cause.
  4. If the code persists and other systems are confirmed to be functioning correctly, refer the vehicle to a professional repair shop.

Fixes

  • Clean carbon deposits from the throttle body if applicable (common on Ford products).

FAQ

Can I drive with P2106?

Yes, but driving will be limited due to reduced throttle response and potential issues with the automatic transmission.

What should I do if my car has P2106?

Consult your vehicle's manual for specific causes and follow recommended diagnostic procedures. If unsure, seek professional help from a repair shop.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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