DTC C0051:67 [DYNAMIC STABILITY CONTROL (DSC)]

id0402b2860200

DTC
C0051:67
Abnormal message from EPS control module
DETECTION CONDITION
•  C0051:67
―  DSC HU/CM receives steering angle neutral position reset signal after neutral position was set.
FAIL-SAFE FUNCTION
•  Illuminates the TCS/DSC indicator light and master warning light*1.
•  Inhibits the TCS, DSC, Mazda Radar Cruise Control (MRCC)*2, Smart Brake Support (SBS)*2, Smart City Brake Support (SCBS)*2, and Secondary Collision Reduction (SCR)*2 controls.
*1: Vehicles with Smart City Brake Support (SCBS), Mazda Radar Cruise Control (MRCC) and/or Smart Brake Support (SBS).
*2: If equipped.
POSSIBLE CAUSE
•  EPS CM malfunction
•  Signal errors from EPS CM due to rough road driving
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
PERFORM EPS CM DTC INSPECTION
•  Switch the ignition to off.
•  Using the M-MDS, perform the DTC inspection for the EPS CM.
•  Is the DTC displayed?
Yes
Go to applicable DTC inspection.
(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS.)
No
Go to the next step.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
•  Clear the DTCs from the memory.
•  Start the engine and drive the vehicle at 6 km/h {4 mph} or more.
•  Are the same DTCs present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the EPS CM, then go to the next step.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
No
Go to the next step.
3
VERIFY THAT NO OTHER DTCS ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)].)
No
DTC troubleshooting completed.