FixVault

Automatic Transmission Cooling System DTCS

DTC INDEX

DTC  Description  Action 
P1783 Transmission over temperature condition If DTC P2681 is set GO to Pinpoint Test A If DTC P26AC is set GO to Pinpoint Test B
P2681 Transmission Fluid Heater Coolant Control Valve GO to Pinpoint Test A
P26AC Transmission Fluid Cooler Coolant Control Valve GO to Pinpoint Test B