Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Test B: DTC B1600 - PATS Ignition Key Transponder Signal Is Not Received

PINPOINT TEST B: DTC B1600 - PATS IGNITION KEY TRANSPONDER SIGNAL IS NOT RECEIVED


B1:






B2-B4:






Normal Operation
During each vehicle start sequence, the passive anti-theft system (PATS) transceiver reads the PATS key identification code and sends the data to the powertrain control module (PCM).

DTC B1600 - sets when no PATS key has been read by the PCM and can be caused by the PATS key, the PATS transceiver, the circuits between the PATS transceiver and the PCM and/or the PCM.

Possible Causes
- PATS key
- PATS transceiver
- PCM