OBD-II code · Network
U013F Lost Communication With Pedestrian Alert Control Module
ECU lost CAN communication with the pedestrian alert (acoustic vehicle alerting) module — required by law on EVs/hybrids at low speed.
Is it safe to drive with U013F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyModule unpowered
- Less likelyGateway module routing CAN messages incorrectly
- Less likelyCAN terminating resistor (120 Ω) drifted out of spec
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
- 0.5–3 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Pedestrian Alert Module, Can Bus
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.