Network
generic / SAE
U017E
Lost Communication With Seat Belt Pretensioner Module A
ECU lost communication with seat belt pretensioner module A. Pretensioner function may be unavailable in a crash.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number1 / 7E
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
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References
sae:J2012