U0152
UNetworkLost Communication With Left Side Restraints Module
What does this code mean?
Severity : HighU0152 indicates lost communication with the left side restraints control module, which manages the left side or curtain airbags. Other modules no longer receive its messages on the network. While the fault is present, these airbags may not deploy in a collision.
Symptoms
- Airbag warning light on.
- Possible other communication codes.
- No effect on driving, but side protection is not guaranteed.
Possible causes
- Left side module connector unplugged or corroded, often under the seat or in the pillar.
- Pinched or broken wiring.
- Faulty module power supply or ground.
- Failed side restraints module.
- Communication network fault.
Diagnosis and repair
- Switch off the ignition and disconnect the battery before working on the airbag system.
- Inspect the left side module connector and wiring.
- Check power, ground and communication lines with a multimeter.
- Replace the module if needed, following the manufacturer procedure.
- Clear the codes and confirm the airbag light goes off.
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Code
U0152
Category
Network
Prefix
U
Standard
OBD-II / SAE J2012