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Home >> Mazda >> 2020 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (On-Board Diagnostic [SKYACTIV-G 2.5 (With Cylinder Deactivation)] (2 Of 3)) >> DTC P0602-00: Pcm Programming Error

DTC P0602-00: Pcm Programming Error

WARNING: This page is about a different variant/trim than selected.
DTC P0602:00 DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0602:00 PCM programming error
DETECTION CONDITION
  • No configuration data in the PCM.
Diagnostic support note
  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Not applicable
POSSIBLE CAUSE
  • Configuration has not been completed
  • PCM connector or terminals malfunction
  • PCM malfunction
SYSTEM WIRING DIAGRAM
  • Not applicable
DTC P0602:00 DIAGNOSTIC PROCEDURE

STEP INSPECTION RESULTS ACTION
1 RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION
NOTE:
  • Recording can be facilitated using the screen capture function of the PC.
  • Record the FREEZE FRAME DATA/snapshot data on the repair order.
- Go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY
  • Verify related Service Bulletins and/or on-line repair 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 PERFORM PCM CONFIGURATION (USING READ/WRITE FUNCTION) Yes Go to the next step.
No Go to Step 6.
4 INSPECT PCM CONNECTOR CONDITION
  • Switch the ignition off.
  • Disconnect the PCM connector.
  • Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
  • Is there any malfunction?
Yes Repair or replace the connector and/or terminals, then go to the next step.
No Perform the PCM configuration (using read/write function) again. (See PCM CONFIGURATION (USING READ/WRITE FUNCTION) .)
Go to the next step.
5 VERIFY DTC TROUBLESHOOTING COMPLETED
  • Always reconnect all disconnected connectors.
  • Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC .)
  • Perform the KOEO or KOER self test. (See KOEO/KOER SELF TEST .)
  • Is the same DTC present?
Yes Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION .)
No Go to the next step.
6 VERIFY AFTER REPAIR PROCEDURE Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No DTC troubleshooting completed.