DTC C0053:2F [START STOP UNIT]

id0902p6021700

System malfunction location

Steering angle sensor B signal malfunction

Detection condition

•  The start stop unit detects sudden change in steering angle sensor B signal.

•  The start stop unit detects that steering angle sensor B signal is stuck with the ignition switched ON (engine off or on).

Fail-safe

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Possible cause

•  Steering angle sensor malfunction

•  Start stop unit malfunction

System wiring diagram

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System malfunction location	Steering angle sensor B signal malfunction
Detection condition	• The start stop unit detects sudden change in steering angle sensor B signal. • The start stop unit detects that steering angle sensor B signal is stuck with the ignition switched ON (engine off or on).
Fail-safe	—
Possible cause	• Steering angle sensor malfunction • Start stop unit malfunction
System wiring diagram	—

Diagnostic Procedure

Step	Inspection		Action
1	INSPECT STEERING ANGLE SENSOR • Inspect the steering angle sensor. (See STEERING ANGLE SENSOR INSPECTION.) • Is the steering angle sensor normal?	Yes	Go to the next step.
1		No	Replace the steering angle sensor, then go to the next step. (See CLOCK SPRING REMOVAL/INSTALLATION.)
2	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Clear DTC for the start stop unit using the M-MDS. (See CLEARING DTC [START STOP UNIT].) • Perform the DTC inspection for the start stop unit using the M-MDS. (See DTC INSPECTION [START STOP UNIT].) • Is DTC C0053:2F displayed?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the start stop unit, then go to the next step. (See START STOP UNIT REMOVAL/INSTALLATION.)
2		No	Go to the next step.
3	VERIFY IF OTHER DTCs DISPLAYED • Are any other DTCs displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [START STOP UNIT].)
3		No	DTC troubleshooting completed.