Cruise Control

DTC 55 Cruise Control Module Malfunction:

CIRCUIT DESCRIPTION
Internal defects in the cruise control module set DTC 55.

CONDITIONS FOR SETTING THE DTC
Cruise control module hardware failure (EEPROM defective).

CONDITIONS FOR CLEARING THE DTC
Replacing the module.

DIAGNOSTIC AIDS
Check the integrity of the power and ground circuits before replacing the cruise control module.

TEST DESCRIPTION
The numbers below refer to numbers on the diagnostic table.
2. This step checks for proper voltage to the cruise control module.
4. This step checks for proper ground to the cruise control module.