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DTC P0977: Notes

DTC P0977 [AW6A-EL, AW6AX-EL] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0977 Shift solenoid B circuit malfunction (short to power/open circuit)
DETECTION CONDITION 
  • Open or short circuit in shift solenoid B signal system (The solenoid remains on continuously for 100 ms or  more even if the TCM sends a solenoid off command).

Diagnostic support note: 
  • The MIL illuminates if the TCM detects the above malfunction condition during first drive cycle.
  • A PENDING CODE is not available.
  • FREEZE FRAME DATA is available.
  • The AT warning light illuminates.
  • The DTC is stored in the TCM memory.
POSSIBLE CAUSE 
  • Open circuit in wiring harness between shift solenoid B terminal A and TCM terminal B2
  • Short to power in wiring harness between shift solenoid B terminal A and TCM terminal B2
  • Shift solenoid B malfunction
  • Damaged connector between shift solenoid A and TCM
  • TCM malfunction
G04860308Courtesy of MAZDA MOTORS CORP.
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