B1681 FORD - PATS Transceiver Module Signal Is Not Received

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

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

Possible symptoms

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

B1681 Ford 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).
OBDII Code B1681 Ford - PATS Transceiver Module Signal Is Not Received - AutoCodes.com

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B1681 FORD Comments

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