Engine-Codes - Generic - B1681

B1681 Code - PATS Transceiver Module Signal Is Not Received

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- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the Code B1681?

  • Faulty Passive Anti-Theft System (PATS) transceiver
  • Faulty Powertrain Control Module (PCM)
  • Faulty Passive Anti-Theft System (PATS) key

How to Fix the B1681 Code?

Start by checking 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.

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What is the Cost to Diagnose the Code B1681?

Labor: 1.0

The cost to diagnose the B1681 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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What are Code B1681 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B1681 Code Mean?

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).

B1681 Code - PATS Transceiver Module Signal Is Not Received

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Code B1681 Information for Specific Makes

  • B1681 Chrysler Rear Headlamp Leveling Sensor Circuit Performance
  • B1681 Dodge Rear Headlamp Leveling Sensor Circuit Performance
  • B1681 Ford PATS Transceiver Module Signal Is Not Received
  • B1681 Jeep Rear Headlamp Leveling Sensor Circuit Performance
  • B1681 Lincoln PATS Transceiver Module Signal Is Not Received
  • B1681 Mercury PATS Transceiver Module Signal Is Not Received
  • B1681 RAM Rear Headlamp Leveling Sensor Circuit Performance

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