Diagnostic Trouble Code (DTC) Information PSCM-U042268

Condition

The control module continually supplies necessary information from the Central electronic module (CEM) via CAN communication. he control module checks the quality of the information from the Central electronic module (CEM).

The diagnostic trouble code is stored if the control module detects that:

Transmitting control module indicates a lower quality level of information than accepts.

The control module's test for the diagnostic trouble code (DTC) starts in the event of:

Ignition switch position II.
Incorrect value lasts longer than 2 seconds.

NOTE:

The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Fig 1: Locating Power Steering Control Module (PSCM)

Courtesy of VOLVO CARS CORPORATION

Substitute Value

Predefined value used.

Possible Source

Fault-trace in transmitting control module.

Fault symptom[s]

Abnormally light steering at high speed
Abnormally sluggish steering at low speed
Steering/Other steering/handling problems