B1399 - Personalised Key Synchronisation System Programming Failure

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

  • Passive Anti-Theft System (PATS) key not programmed
  • Faulty Body Control Module (BCM)

Possible symptoms

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

B1399 Description

When the Body Control Module (BCM) enters a key programming state, it activates the transceiver to read the key in the ignition key cylinder. If a valid Passive Anti-Theft System (PATS) key is used and there are no concerns with PATS, the key is programmed into the BCM memory. The OBDII code sets when there is an unprogrammed PATS key
OBDII Code B1399 - Personalised Key Synchronisation System Programming Failure - AutoCodes.com

B1399 Information for specific makes

  • B1399 FORD Personalised Key Synchronisation System Programming Failure
  • B1399 LINCOLN Personalised Key Synchronisation System Programming Failure
  • B1399 MERCURY Personalised Key Synchronisation System Programming Failure

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Related Information

B1399 Comments

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