OBD-II code · Network
U043D Invalid Data Received From Accelerator Pedal Module
A receiving module detected implausible data from the accelerator pedal module. Pedal position channels A and B disagree or fall outside calibration limits, and the engine reverts to a fail-safe pedal map.
Is it safe to drive with U043D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule internal fault or sensor input drift
- PossibleSoftware version mismatch after replacement
- Less likelyGateway module routing CAN messages incorrectly
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Accelerator Pedal Module
Related codes
- U043AInvalid Data Received From Suspension Control Module B
- U043BInvalid Data Received From Front Distance Range Sensor — Left
- U043CInvalid Data Received From Front Distance Range Sensor — Right
- U043EInvalid Data Received From Vacuum Sensor A
- U043FInvalid Data Received From Vacuum Sensor B
- U0440Invalid Data Received from Drive Motor Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.