DTC C047A
Diagnostic Instructions
DTC Descriptor
| DTC C047A: Electric Steering Motor Position
Sensor Circuit Malfunction |
Circuit/System Description
The power steering control module continuously monitors the
motor position sensor voltage signals. The voltage signals of the
motor position sensor and the digital torque sensor index current
signal are both processed by the power steering control module to
detect and calculate the steering wheel angle.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
The power steering control module detects a short to ground,
short to voltage, or an open/high resistance on any of the internal
motor position sensor circuits.
Action Taken When the DTC Sets
| • |
The driver information center
displays the SERVICE POWER STEERING warning message. |
Conditions for Clearing the DTC
| • |
A current DTC will clear on
the next malfunction-free ignition cycle. |
| • |
A history DTC will clear after
40 consecutive malfunction-free ignition cycles. |
Reference Information
Schematic Reference
Power Steering Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Power Steering System Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
| 1. |
Verify that DTC C047A is not
set. |
| 2. |
If the DTC resets, replace the
K43 Power Steering Control Module. |
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the diagnostic
procedure.
|
