DTC P0780:00 [FW6A-EL]

id050225824500

DTC P0780:00	Gear shifting malfunction
DETECTION CONDITION	•  Gear ratio malfunction while in any gear 1st to 6th or clutch-slip DTC (P0729:00, P0731:00, P0732:00, P0733:00, P0734:00, P0735:00, P1728:00) occurs and vehicle is driven under gear ratio malfunction condition from fail-safe, or use of gear speeds in which clutch slip occurs is restricted. •  Determined that vehicle may be in danger due to clutch not engaging by TCM direction according to signal from the oil pressure switch. Diagnostic support note •  The check engine light illuminates if the TCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the TCM. •  The automatic transaxle warning light illuminates if the TCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the TCM. •  PENDING CODE is available. •  FREEZE FRAME DATA is available. •  The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION	•  Inhibits learning control. •  Inhibits manual mode. •  Inhibits neutral idle control. •  Inhibits i-stop control. •  Inhibits AAS.
POSSIBLE CAUSE	•  ATF is less than specified value •  On/off solenoid malfunction •  Pressure control solenoid malfunction •  Shift solenoid malfunction •  Oil pressure switch circuit malfunction •  Oil pressure switch malfunction •  Clutch slippage •  ATF leakage from clutch circuit •  Control valve body malfunction
SYSTEM WIRING DIAGRAM	Not applicable

Diagnostic procedure