Test D: DTC B1602 - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder

PINPOINT TEST D: DTC B1602 - PATS RECEIVED INVALID FORMAT OF KEY-CODE FROM IGNITION KEY TRANSPONDER

D1-D3:

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 B1602 - sets when only a partial PATS key was read. Remote starter equipment can also cause this DTC.

Possible Causes
- PATS key
- PATS transceiver
- PCM