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Diagnosis and Testing|Removal and Installation > < Anti-Theft - Active

Transit.Tourneo Connect 2002.5 (06.2002-)

Anti-Theft - Passive - Anti-Theft - Passive Transit/Tourneo Connect 2002.5 (06/2002-)
Diagnosis and Testing

Refer to Wiring Diagrams Section 419-01B, for schematic and connector information.

General Equipment
Worldwide Diagnostic System (WDS)

Inspection and Verification

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

Mechanical Electrical
  • Ignition lock cylinder
  • Passive anti-theft system (PATS) ignition key
  • Use of a non-encoded PATS ignition key
  • More than one PATS key in close proximity of the PATS transceiver
  • Central junction box (CJB)
  • Powertrain control module (PCM)
  • Instrument cluster
  • Fuse(s)
  • Wiring harness
  • Electrical connector(s)
  • Relay(s)
  • CJB
  • PCM
  • PATS transceiver
  • Ignition switch
  • Instrument cluster
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the concern is not visually evident, use the WDS to retrieve any diagnostic trouble codes (DTCs) and refer to the DTC index.

Diagnostic Trouble Code (DTC) Index

WDS DTC Indicator Flash Code Description/Condition Possible Source Action
0000 - No DTCs, vehicle OK - -
B1681 11 PATS transceiver signal is not received PATS transceiver wiring, transceiver connector, transceiver, CJB, PCM or instrument cluster REFER to the WDS. Select the PATS test and follow the instructions on the screen.
B1232. B2103 12 PATS transceiver antenna coil fault. vehicle does not start PATS transceiver Install a new PATS transceiver.
REFER to: Passive Anti-Theft System (PATS) Transceiver (419-01B Anti-Theft - Passive, Removal and Installation).
TEST the system for normal operation.
B1600 13 Non-PATS key or damaged encoded ignition key, or no key code received. Vehicle does not start PATS encoded ignition key REFER to the WDS. Select the PATS test and follow the instructions on the screen.
B2431 13 PATS transponder programming failed, crypto transponder only, Vehicle does not start Ignition key REFER to the WDS. Select the PATS test and follow the instructions on the screen.
B1602 14 Partial key read of PATS key, vehicle does not start PATS encoded ignition key or PATS transceiver REFER to the WDS. Select the PATS test and follow the instructions on the screen.
B1601 15 Incorrect key code, unprogrammed PATS key (keycode format OK), vehicle does not start (20 second anti-scan invoked) PATS encoded ignition key REFER to the WDS. Select the PATS test and follow the instructions on the screen.
U1147 16 Incorrect key being used, vehicle does not start Ignition key Use correct ignition key. REFER to the WDS. Select the PATS test and follow the instructions on the screen.
U2510 16 Controller area network (CAN) communication link between the PCM and instrument cluster, vehicle does not start Circuit, PCM or instrument cluster REFER to the WDS. Select the PATS test and follow the instructions on the screen.
B1213 21 Number of programmed PATS encoded keys below minimum. Vehicle does not start Incorrect number of keys programmed or PATS encoded ignition key REFER to the WDS. Select the PATS test and follow the instructions on the screen.
B2141 22 NVM Configuration failure. No security ID exchange between PCM and fuel injection pump control module, vehicle does not start New PCM or fuel injection pump control module REFER to the WDS. Select the PATS test and follow the instructions on the screen.
B2139 23 Data mismatch (received data does not match what was expected). Security messages do not match between PCM and fuel injection pump control module, vehicle does not start New PCM or fuel injection pump control module REFER to the WDS. Select the PATS test and follow the instructions on the screen.
P1260 - PCM disabled PCM or instrument cluster REFER to the WDS. Select the PATS test and follow the instructions on the screen.

Diagnosis and Testing|Removal and Installation > < Anti-Theft - Active