Test F: DTC B1681 - Passive Anti-Theft System (PATS) Transceiver Signal Is Not Received (Not Connected, Damaged Transceiver)

PINPOINT TEST F: DTC B1681 - PASSIVE ANTI-THEFT SYSTEM (PATS) TRANSCEIVER SIGNAL IS NOT RECEIVED (NOT CONNECTED, DAMAGED TRANSCEIVER, OR DAMAGED WIRING)

F1-F4:

F4-F6:

F6-F8:

F8-F10:

F10-F12:

F12-F13:

Normal Operation
During each vehicle start sequence, the PATS transceiver module reads the PATS key identification code and circuit 1216 (GY/OG) sends the data to the powertrain control module (PCM).

Possible Causes
- fuse(s)
- circuit 1205 (BK) open
- circuit 1215 (WH/LG) open or short to ground
- circuit 1216 (GY/OG) open or short to ground
- circuit 1266 (RD/YE) open
- PATS transceiver
- PATS key
- PCM