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PATS antenna/transceiver not connected or defective [B2103]
PATS antenna/transceiver not connected or defective [B2103]
Scope: Instrument cluster engineering/self-test · System(s): cluster
Common causes
- PATS transceiver/antenna/wiring
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code
- Compare live sensor values vs expected (unplugged/biased sensors are common)
Typical fixes
- Check transceiver connection and wiring
- replace transceiver if faulty.