DTC P1260:00 [MZI-3.7]

id0102d2856800

DTC P1260:00 | 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 | • Incorrectly programmed PCM • Incorrectly programmed instrument cluster*1/keyless control module*2 • Previous theft condition • Anti-theft system concern • PCM malfunction

*1 :Vehicles without advanced keyless entry and start system
*2 :Vehicles with advanced keyless entry and start system

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 | VERIFY IMMOBILIZER SYSTEM DTC • Verify the immobilizer system DTC. (See DTC INSPECTION [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].) (See DTC INSPECTION [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)].) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].) (See DTC TABLE [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)].)
No | Go to the next step.
4 | CHECK FOR ANY OTHER POWERTRAIN DTC • Verify the pending code or stored DTCs using the M-MDS. • Are all other powertrain DTCs diagnosed? | Yes | Go to the next step. (The system is operating normal at this time. The concern may have been caused by a loose or corroded connector.)
No | Go to the appropriate DTC troubleshooting procedures. (See DTC TABLE [MZI-3.7].)
5 | ATTEMPT TO START ENGINE • Complete the keep alive memory. • Reset to clear DTC P1260:00. • This reset initializes the PCM to communicate with the immobilizer system. • 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 P1260:00 is not the cause of the No Start. (See QUICK DIAGNOSTIC CHART [MZI-3.7].)
6 | VERIFY TROUBLESHOOTING OF DTC P1260:00 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. • Retrieve DTCs using the M-MDS. • Is the PENDING CODE for this DTC present? | Yes | Repeat the inspection from Step 1. • If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [MZI-3.7].) Go to the next step.
No | Go to the next step.
7 | VERIFY AFTER REPAIR PROCEDURE • Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [MZI-3.7].) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [MZI-3.7].)
No | Troubleshooting completed.