PATS Transceiver Module Signal Is Not Received
Table of contents
B1681 MERCURY Possible Causes
- Faulty Passive Anti-Theft System (PATS) transceiver
- Faulty Powertrain Control Module (PCM)
- Faulty Passive Anti-Theft System (PATS) key
How do I fix code B1681 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B1681 MERCURY code
The cost of diagnosing the B1681 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1681 MERCURY Description
During each vehicle start sequence, the transceiver module reads the Passive Anti-Theft System (PATS) key identification code and sends the data to the Powertrain Control Module (PCM).