Specifications

Symptom List:
P2259-TORQUE REDUCTION MESSAGE FROM HVAC- PARITY ER-
ROR
P2259-TORQUE REDUCTION MESSAGE FROM HVAC- SWITCH
SIGNAL ERROR
P2259-TORQUE REDUCTION MESSAGE FROM HVAC- SWITCH
SIGNAL PLAUSIBILITY
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P2259-TORQUE REDUCTION
MESSAGE FROM HVAC- PARITY ERROR.
POSSIBLE CAUSES
AUTOMATIC TEMP CONTROL DTC
TEST ACTION APPLICABILITY
1 NOTE: This DTC indicates the presents of a problem or DTC in the ATC
Module.
View repair statement.
All
Yes → Refer to symptom list for problems related to Automatic Temper-
ature Control.
Perform ROAD TEST VERIFICATION - VER-2.
196
DRIVEABILITY - DIESEL