Network
generic / SAE
U0239
Lost Communication With Entrapment Control Module A
ECU lost communication with entrapment control module A (anti-pinch protection on windows/sunroof/doors).
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 39
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: 120–800 €
- Estimated time: 0.5–3 h
- Component: entrapment module a
- Component: can bus
- MIL / check engine light
Sources
References
sae:J2012