For 1990-2009 cars only
Circuit Operation
As part of its normal processing, the power steering control module (PSCM) performs data checks to RAM on a continuous basis. Certain data is stored in RAM until it is summoned by the microprocessor or superseded by more recent data. Data stored in RAM is erased when the system is switched off.
Conditions for Setting the DTC
DTC 23 is an internal PSCM fault (RAM defect).
Action Taken When the DTC Sets
Power steering assist will default to partial manual steering effort.
Conditions for Clearing the DTC
Replacing the power steering control module.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Steering Assist Schematics | ||||
1 | Did you perform the Variable Effort Steering Diagnostic System Check? | -- | ||
2 | Replace the power steering control module. Refer to Power Steering Control Module Replacement . Is the repair complete? | -- | System OK | -- |
