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Engine-Codes - Generic - B1399

B1399 - Personalised Key Synchronisation System Programming Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1399 Possible Causes

What does this mean?
  • Passive Anti-Theft System (PATS) key not programmed
  • Faulty Body Control Module (BCM)

How is the B1399 code repair?

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.

What is the cost to diagnose the B1399 code

Labor: 1.0

The cost to diagnose the B1399 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B1399 Meaning

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

More Information

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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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