DTC P1260 [MZI-3.7]

id0102d2815600

DTC P1260

Theft detected, vehicle immobilized
DETECTION CONDITION
Indicates that the PATS determined a theft condition existed and the engine is disabled. This DTC is a good indicator to check the PATS for DTCs.
POSSIBLE CAUSE
•   Previous theft condition
•  Anti-theft system failure Theft indicator flashing rapidly or on solid when the ignition switch is in the ON position.
•  Check the anti-theft system for DTCs.
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
INSPECT ALL OTHER PATS DTCs
•  Repair all other PATS DTCs before P1260.
•  Have all other PATS DTCs been diagnosed?
Yes
Go to the next step.
No
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS SYSTEM].)
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)
4
INSPECT FOR OTHER POWERTRAIN DTCs
•  Repair all other powertrain DTCs before P1260.
•  Have all other powertrain DTCs been diagnosed?
Yes
Go to the next step.
No
Go to the appropriate DTC troubleshooting.
(See DTC TABLE [MZI-3.7].)
5
ATTEMPT TO START ENGINE
•  Complete the keep alive memory.
•  Reset to clear DTC P1260.
•  This reset initializes the PCM to communicate with the PATS.
•  Attempt to start the engine.
•  Does the engine start?
Yes
No system malfunctions exists at this time.
For intermittent No Starts or Start Stalls, verify intermittent PATS faults.
Then go to the next step.
Note
•  PATS cannot stall the engine after 1 second of operation. For intermittent Stalls while driving, verify the M-MDS tester to PCM communication during concern. If a PCM communication error occurs, possible causes are:
―  Loss of PWRS or grounds to the PCM.
―  Malfunctioning PCM PWR relay.
―  Malfunctioning EEC PWR diode.
•  Repair if necessary and return the vehicle to customer.
No
DTC P1260 is not the cause of the No Start.
(See QUICK DIAGNOSTIC CHART [MZI-3.7].)
6
VERIFY TROUBLESHOOTING OF DTC P1260 HAS BEEN COMPLETED
•  Verify that all disconnected connectors are reconnected.
•  Turn the ignition switch to the ON position (Engine off).
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine and run it at idle.
•  Retrieve DTCs using the M-MDS.
•  Is the PENDING CODE for this DTC present?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [MZI-3.7].)
No
Go to the next step.
7
VERIFY AFTER REPAIR PROCEDURE
•  Perform “AFTER REPAIR PROCEDURE”.
•  Are any DTC present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.7].)
No
Troubleshooting completed.