FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P1792

P1792 - ENGINE COOLANT SIGNAL
P1795 - TAC SYSTEM SIGNAL





The ECM sends serial data to the TCM via the CAN bus. DTCs 1779 - 1795 do not indicate a problem with the transmission or with the TCM. It does indicate that the ECM is not sending the required information to the TCM. Check for any related DTCs stored in the ECM and EBTCM. Clear DTCs in the TCM after a repair is made to the engine or anti-lock break system.

DTC PARAMETERS
DTCs P1779 - P1795 set if:
- The ignition voltage is between 8 and 18 volts.
- The condition exists for 2 seconds.

DIAGNOSTIC AIDS
Check for any related DTCs in the ECM and EBTCM.