DTC P0605:00 [MZI-3.7]

id0102d2156400

DTC P0605:00

Internal control module read only memory (ROM) error

DETECTION CONDITION

•  The PCM ROM has been corrupted.

POSSIBLE CAUSE

•  An attempt was made to change the calibration

•  Module programming error

•  PCM malfunction

DTC P0605:00	Internal control module read only memory (ROM) error
DETECTION CONDITION	• The PCM ROM has been corrupted.
POSSIBLE CAUSE	• An attempt was made to change the calibration • Module programming error • 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.
1		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.
2		No	Perform PCM reprograming using the M-MDS, then go to the next step.
3	VERIFY TROUBLESHOOTING OF DTC P0605:00 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. • Perform the KOEO or KOER self-test. (See KOEO/KOER SELF TEST [MZI-3.7].) • 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].)
3		No	Go to the next step.
4	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].)
4		No	Troubleshooting completed.