DTC P1783:00 [FS5A-El]: Notes

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION AND POSSIBLE CAUSE

DTC P1783:00	ATF high oil temperature malfunction
DETECTION CONDITION	The TCM detects that ATF temperature is more than 149.5°C {301.1°F} when the following conditions are met. TFT sensor circuit malfunction: not stored Input voltage from the TFT sensor is more than 0.12 V Diagnostic support note The MIL does not illuminate. The AT warning light illuminates if the TCM detects the above malfunction condition during the first drive cycle. PENDING CODE is not available. FREEZE FRAME DATA is not available. The DTC is stored in the TCM memory.
POSSIBLE CAUSE	High engine load drive (Driving a steep gradient at a low speed.) Deteriorated ATF Insufficient or excess level of ATF TCM malfunction

DTC P1783:00

ATF high oil temperature malfunction

DETECTION CONDITION

The TCM detects that ATF temperature is more than 149.5°C {301.1°F} when the following conditions are met.
- TFT sensor circuit malfunction: not stored
- Input voltage from the TFT sensor is more than 0.12 V

Diagnostic support note

The MIL does not illuminate.
The AT warning light illuminates if the TCM detects the above malfunction condition during the first drive cycle.
PENDING CODE is not available.
FREEZE FRAME DATA is not available.
The DTC is stored in the TCM memory.

POSSIBLE CAUSE

High engine load drive (Driving a steep gradient at a low speed.)
Deteriorated ATF
Insufficient or excess level of ATF
TCM malfunction