What is the Ford Pats fault code b2139?

B2139 PCM ID does not match between the PCM and PATS control (PATS/ICM/VIC/HEC/SCIL). B2431 Key programmed failure (defective key or transceiver) U1147/U1262 Communications issue, SCP (J1850), between PCM and PATS control (PATS/ICM/VIC/HES/SCIL). P1260 PCM disabled the vehicle because of a PATS concern.

What are the fault codes for PATS immobiliser?

1 : 3 Key code not received is the key obscured, try again with different key, key may be damaged/faulty 1 : 4 Partial code only received is the key obscured, try again with different key, key may be damaged or faulty 1 : 5 Key not programmed to PATS Programme key 1 : 6 Faulty link between PATS and EEC v module check with FDS2000

What are the trouble codes for Ford Pats?

Most of the PATS trouble codes are body “B” or data “U” type codes. You must have a code reader that can read these codes. Repairing a PATS system is NOT hard. B1213 Less than 2 (or 3 if equipped w/Valet key) keys programmed to the system. B1232/B2103 Transceiver internal antenna damaged. Replace transceiver.

How to relearn Ford Pats control function module?

Enter “Ignition Key Code Erase.” Disconnect Tool and leave key in RUN for 20 seconds. Cycle key to OFF and then RUN. 2 keys required. Cycle key 1 to RUN. Enter Security Access on the PATS control function module. Select “Ignition Key Code Erase.” Disconnect Tool and leave key in RUN for 20 seconds. Cycle key 1 to OFF, then RUN, and back to OFF.

How does the key code work on the Ford Pats?

Up to 16 keys can be programmed. The transceiver sends the key code signal via a hardwired connection to the control module. At each start sequence, the PCM power the fuel pump and injectors until the engine runs for 1 second. Within that 1 second period, the PATS Control Module must determines if the key code is valid.

Where is the Pats control module located on a Ford?

The PATS control module is NOT a standalone module. It is built into the instrument cluster. The PATS control module is a standalone module located behind the dash on the left side. The PATS control module built into the PCM. The PATS control module in the PCM provides ground to the starter relay and enables the fuel pump and injectors.

What happens when you replace the PCM in a Ford?

After replacing the PCM, the engine may crank and even fire initially, but die almost immediately. Certain Ford vehicles incorporate the Passive Anti-Theft System (PATS). This security feature immobilizes the vehicle by disabling the fuel pump, injectors and possibly the starter, until the ignition key relearn is performed on the car.

When to look for fault codes in Ford Pats?

Look for fault codes in The PATS function will store fault codes when the PCM records a P1260. Be certain of the vehicle model Use only parts & keys speciﬁed for the appropriate model year. Check to make sure the issue is not with multiple PATS keys, small electronic devices that can be used to purchase gasoline, or other items on same key ring.

How to diagnose no crank no start Ford?

No crank no start Ford issues are pretty easy to diagnose. Click on the illustration below and download the PDF wiring diagram of a typical Ford starting system.

What happens if PCM ID is not stored in Pats?

Transceiver signal not detected. Non-Volatile Memory (NVM) conﬁguration failure — No PCM ID stored in PATS. PCM ID does not match between the PCM and PATS control (PATS/ICM/VIC/HEC/SCIL). Key program failure (defective key or transceiver). Communications issue, SCP (J1850), between PCM and PATS control (PATS/ICM/ VIC/HEC/SCIL).

What is the Ford Pats fault code b2139?