B2855
DTC B2855
Circuit Description
The driver position module (DPM) receives voltage inputs from contacts inside the tilt/telescoping switch. The DPM then supplies battery voltage to the telescope motor forward or reverse circuit depending on which direction of movement is requested. The motor is reversible and the circuits are simply reversed to accomplish movement in opposite directions.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC B2855 Telescope Rearward Switch Circuit
This vehicle has DTCs which include DTC symptoms. For more information on DTC symptoms, refer to DTC Symptom Description.
Conditions for Running the DTC
The DPM is ON.
Conditions for Setting the DTC
The DPM detects a telescope rearward switch input for more than 30 consecutive seconds after rearward movement of the motor has stopped.
Action Taken When the DTC Sets
* The telescope motor will be deactivated.
* Memory recall functions will be disabled.
Conditions for Clearing the DTC
* A current DTC will clear when the failed switch input is no longer active.
* A history DTC will clear after 100 ignition cycles.
Diagnostic Aids
An intermittently stuck switch can cause this DTC to set. Refer to Testing for Intermittent Conditions and Poor Connections. Component Tests and General Diagnostics
