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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 P0848-00: Oil Pressure Switch No. 2 (Oil Pressure Switch A) Stuck Off (TCM) (Us) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0848:00 (TCM, EV6A-EL, EV6AX-EL, US) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY DTC OUTPUT STATUS
  • Is the DTC P1738:00 also present?
 Yes Go to the applicable DTC inspection.
(See DTC P1738:00 (TCM) (US) .)
No Go to the next step.
2 RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
  • Record the freeze frame data/snapshot data.
    NOTE:
    • Recording can be facilitated using the screen capture of the PC function.
 - Go to the next step.
3 VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY
  • Verify related Service Bulletins, on-line repair information, or Service Information availability.
  • Is any related information available?
 Yes Perform repair or diagnosis according to the available information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
4 VERIFY THAT DTC IS PRESENT
  • Clear the DTC using the M-MDS. (See CLEARING DTC .)
  • Perform the following procedure to ensure that the DTC has been resolved:
  1. Start the engine.
  2. Verify that the ATF temperature is 20°C {68°F} or more.
  • Perform the DTC inspection using the M-MDS. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Replace the oil pressure switch A, then go to repair completion verification.
(See OIL PRESSURE SWITCH REMOVAL/INSTALLATION [EV6A-EL, EV6AX-EL] .)
No DTC troubleshooting completed.
Repair completion verification RE-PERFORM ON-BOARD DIAGNOSTIC TEST
  • Perform the following procedure to ensure that the DTC has been resolved:
  1. Start the engine.
  2. Verify that the ATF temperature is 20°C {68°F} or more.
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE (TCM) (US) .)
No DTC troubleshooting completed.
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