OBD Guide

U043D

Invalid Data Received From Accelerator Pedal Module

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Delayed response to the gas pedal
  • Floating idle speed
  • Emergency engine operation

Causes

  • Accelerator pedal module malfunction
  • Damage to wiring or connectors
  • Short circuit in the gas pedal circuit
  • Module power problems
  • Software error in the ECU

How to Fix

  1. Check the condition of the pedal module connectors and wiring
  2. Test pedal position sensors with a multimeter
  3. Check the module supply voltage
  4. Replace the accelerator pedal module if necessary
  5. Update ECU firmware (if available)

Related codes

Error U043D by Vehicle Brand