DTC P06B8:00 [MZI-3.7]

id0102d2316200

DTC P06B8:00 | Internal control module non-Volatile Random Access Memory (NVRAM) error
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DETECTION CONDITION | • This DTC indicates a concern with the ability of the PCM to correctly store permanent DTCs.
POSSIBLE CAUSE | • PCM calibration level

Diagnostic procedure

STEP | INSPECTION | ACTION
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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 RELATED PENDING CODE OR STORED DTCs • Turn the ignition switch off, then to the ON position (engine off). • Verify the related PENDING CODE or stored DTCs using the M-MDS. • Is other DTC present? | Yes | Go to the appropriate DTC troubleshooting. (See DTC TABLE [MZI-3.7].)
No | Go to the next step
4 | INSPECT PCM FOR LATEST CALIBRATION • Program the PCM to the latest calibration. • Turn the ignition switch to the ON position (Engine running). • Idle the engine. • Verify PENDING CODE or stored DTCs. • Is the same DTC present? | Yes | Go to the next step.
No | Troubleshooting completed.
5 | INSPECT FOR CORRECT PCM OPERATION • Disconnect all the PCM connectors. • Visually inspect for: ― Pushed out pins ― Corrosion • Connect all the PCM connectors and verify that they seat correctly. • Retrieve DTCs using the M-MDS. • Is the same DTC present? | Yes | Go to the next step.
No | The system is correctly. Go to the next step.
6 | VERIFY TROUBLESHOOTING OF DTC P06B8:00 HAS BEEN COMPLETED • Verify that all disconnected connectors are reconnected. • Clear the DTC from the PCM memory using the M-MDS. • Start the engine and drive the vehicle. • Verify PENDING CODE or stored DTCs. • Is the same 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.