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Inspection and Verification

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Always disconnect the battery ground cable at the battery before disconnecting the starter motor battery terminal lead. If a tool is shorted at the starter motor battery terminal, the tool can quickly heat enough to cause a skin burn. Failure to follow this instruction may result in serious personal injury.
NOTE: The PATS must be functioning correctly before a logical starting system diagnosis can be carried out. Address PATS concerns before continuing.
  1. Verify the customer concern by operating the starting system to duplicate the conditions.
  2. Inspect to determine if any of the following mechanical or electrical concerns apply.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Flexplate
    • Starter motor
    • Starter motor bolts
    • Passive anti-theft system (PATS)
    • Battery
    • Battery junction box (BJB) fuse(s):
      • 18 (60A)
      • 7 (60A)
    • Central junction box (CJB) 33 (10A)
    • Damaged wiring harness
    • Loose or corroded connections
    • Starter relay
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    4. NOTE: Make sure to use the latest scan tool software release.
  4. If the cause is not visually evident, connect the scan tool to the data link connector (DLC).
    5. NOTE: The vehicle communication module (VCM) LED prove out confirms power and ground from the DLC are provided to the VCM.
  5. If the scan tool does not communicate with the VCM:
    • check the VCM connection to the vehicle.
    • check the scan tool connection to the VCM.
    • refer to MODULE COMMUNICATIONS NETWORK article, No Power To The Scan Tool, to diagnose no communication with the scan tool.
  6. If the scan tool does not communicate with the vehicle:
    • verify the ignition key is in the ON position.
    • verify the scan tool operation with a known good vehicle.
    • refer to MODULE COMMUNICATIONS NETWORK article to diagnose no response from the PCM.
  7. Carry out the network test.
    • If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK article.
    • If the network test passes, retrieve and record continuous memory DTCs.
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the PCM.
  9. If the DTCs retrieved are related to the concern, go to the PCM DTC Chart or the Passive Anti-Theft System (PATS) DTC Chart. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES article.
  10. If no DTCs related to the concern are retrieved, go to Symptom Chart .
PCM DTC CHART

DTC Description Source Action
P0705 TR Sensor Circuit Failure PCM Refer to the appropriate Automatic Transmission article for the procedure.
P1702 TR Sensor Circuit Failure PCM Refer to the appropriate Automatic Transmission article for the procedure.
P1705 TR Sensor Circuit Failure PCM Refer to the appropriate Automatic Transmission article for the procedure.
PASSIVE ANTI-THEFT SYSTEM (PATS) - DTC CHART

DTC Description Source Action
B1213 Anti-Theft Number of Programmed Keys is Below Minimum Instrument Cluster REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1342 ECU is Faulted Instrument Cluster CLEAR the DTCs. CARRY OUT the instrument cluster self-test. If DTC B1342 is retrieved, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER (IC) AND WARNING CHIMES article.
B1600 PATS Key Transponder Signal is Not Received - Damaged Key or Non-PATS Key Instrument Cluster REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1601 PATS Received Incorrect Key-Code From Ignition Key Transponder (Unprogrammed PATS Key) Instrument Cluster REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1602 PATS Received Invalid Format of Key-Code From Ignition Key Transponder (Partial Key Read) Instrument Cluster REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B1681 PATS Transceiver Module Signal is Not Received (Damaged, Not Connected or Damaged Wiring) Instrument Cluster REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B2103 Defective Transceiver Instrument Cluster INSTALL a new PATS transceiver. REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B2141 NVM Memory Failure (No Target ID Stored in Instrument Cluster) Instrument Cluster REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
B2431 Transponder Programming Failed Instrument Cluster REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) article.
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