Cruise control no workie
12-25-2018, 04:42 AM
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Cruise control no workie
2001.5 6 spd.
This era doesn't use a vacuum solenoid. Uses rear speed sensor, through ABS module to ECM (per manual).
Prior, no cruise light when turning on. Replaced clock spring. Now cruise lights comes on, but set button does nothing. Switch is discontinued, but bought one off ebay. Replaced brake switch in attempt to be thorough. No different. Says it worked when he first tried it, but nothing since.
Says he sees signal from the speed sensor, through the ABS module. OBD isn't sophisticated enough to see signal into/ out of ECM.
Manual offers little and no troubleshooting.
This era doesn't use a vacuum solenoid. Uses rear speed sensor, through ABS module to ECM (per manual).
Diesel With Manual Trans. The Vehicle Speed Sensor (VSS) is no longer used for any Dodge Truck. Vehicle speed and distance covered are measured by the Rear Wheel Speed Sensor. The sensor is mounted to the rear axle. A signal is sent from this sensor to the Controller Antilock Brake (CAB) computer. A signal is then sent from the CAB to the Engine Control Module (ECM) to determine vehicle speed and distance covered. The ECM will then determine strategies for speed control system operation
Says he sees signal from the speed sensor, through the ABS module. OBD isn't sophisticated enough to see signal into/ out of ECM.
Manual offers little and no troubleshooting.
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