DTC P2544:00 [AY6A-EL, AY6AX-EL]

id0502k1299700

DTC P2544:00 | Engine torque signal error (invalid signal)
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DETECTION CONDITION | • Conditions: TCM communication normal • Circumstances: Engine torque signal abnormality detected • Time period: Determined after 1 times Diagnostic support note: • The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle. • The AT warning light illuminates. • PENDING CODE is not available. • FREEZE FRAME DATA is available. • The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION | • Emergency mode 3
POSSIBLE CAUSE | • PCM malfunction
SYSTEM WIRING DIAGRAM | —

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has the FREEZE FRAME DATA been recorded on the repair order? | Yes | Go to the next step.
No | Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 | VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Verify related Service Information availability. • Is any related repair information available? | Yes | Perform repair or diagnosis according to the available repair information. • If the vehicle is not repaired, go to the next step.
No | Go to the next step.
3 | VERIFY DTC IS PRESENT • Switch the ignition ON (Engine off). • Read the DTC in the PCM. • Are any DTCs stored? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [MZI-3.7].)
No | Go to the next step.
4 | VERIFY DTC TROUBLESHOOTING COMPLETED • Make sure to reconnect all the disconnected connectors. • Clear the DTC using the M-MDS. • Perform the following procedure to ensure that the DTC has been resolved: 1. Start the engine. 2. Warm up the engine to normal operating temperature. 3. Drive the vehicle in D position for 0.5 s or more. • Is the same DTC present? | Yes | Repeat Step 3.
No | Go to the next step.
5 | VERIFY NO DTCs ARE PRESENT • Perform the “Reading DTCs Procedure”. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [AY6A-EL, AY6AX-EL].) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [AY6A-EL, AY6AX-EL].)
No | DTC troubleshooting completed.