Network
generic / SAE
U0243
Lost Communication With Parking Assist Control Module B
ECU lost communication with parking assist control module B (additional ultrasonic/visual parking system).
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 43
Possible causes
- Module unpowered high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–1500 €
- Estimated time: 0.5–4 h
- Component: parking assist module b
- Component: can bus
- MIL / check engine light
- drive cycle required
Sources
References
sae:J2012