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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (On-Board Diagnostics - Automatic Transaxle System (EV6A-El, EV6AX-El)) >> DTC P2855-00: Low Clutch Hydraulic Circuit/Sealing Malfunction (TCM) >> Diagnostic Procedure

Diagnostic Procedure

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DTC P2855:00 (TCM, EV6A-EL, EV6AX-EL) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 INSPECT ATF LEVEL
Yes Adjust the ATF level to the specification, then go to repair completion verification.
(See AUTOMATIC TRANSAXLE FLUID (ATF) ADJUSTMENT [EV6A-EL, EV6AX-EL (US)] .)
No Replace the automatic transaxle.
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [EV6A-EL (US)] .)
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [EV6AX-EL (US)] .)
Repair completion verification VERIFY DTC TROUBLESHOOTING COMPLETED
  • Perform the following procedure to ensure that the DTC has been resolved:
  1. Verify that the ATF temperature is 30°C {86°F} or more.
  2. Perform the following operation 20 times.
  • Operate the selector lever from N to D position and wait for 5 s or more.
    • Operate the selector lever from D to N position and wait for 5 s or more.
  • Perform the DTC inspection using the M-MDS. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
Yes Replace the automatic transaxle.
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [EV6A-EL (US)] .)
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [EV6AX-EL (US)] .)
No DTC troubleshooting completed.