DTC U0401:29 [PARKING LOCK ACTUATOR]

id0502z4310500

Outline

System malfunction location

Error signal received from PCM

Detection condition

•  Parking lock actuator receives signal error from PCM (CAN bus No.1).

Fail-safe

Refer to the DTC table and fail-safe table according to the DTC. (See DTC TABLE [PARKING LOCK ACTUATOR].)

Possible cause

•  DTCs are stored in the PCM.

•  PCM malfunction

•  Parking lock actuator malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Error signal received from PCM
Detection condition	• Parking lock actuator receives signal error from PCM (CAN bus No.1).
Fail-safe	Refer to the DTC table and fail-safe table according to the DTC. (See DTC TABLE [PARKING LOCK ACTUATOR].)
Possible cause	• DTCs are stored in the PCM. • PCM malfunction • Parking lock actuator malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action

1

INSPECT PCM FOR MALFUNCTION

•  Perform the DTC inspection for the PCM.
(See DTC INSPECTION.)

•  Is a DTC displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [PCM (e-SKYACTIV)].)

No

Go to the next step.

Repair completion verification 1

VERIFY IF VEHICLE IS REPAIRED

•  Install/connect the part removed/disconnected during the troubleshooting procedure.

•  Clear the DTC recorded in the memory.
(See CLEARING DTC.)

•  Perform the DTC inspection for the parking lock actuator.
(See DTC INSPECTION.)

•  Is the same DTC displayed?

Yes

Refer to the CAN (controller area network) malfunction diagnosis flow to inspect for a CAN communication error.

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [L.H.D. (E)].)

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [R.H.D.].)

If the CAN communication is normal, perform the diagnosis from Step 1 again.

•  If the malfunction is not resolved, replace the parking lock actuator, then go to the next step.

(See PCM REMOVAL/INSTALLATION.)

No

Go to the next step.

Repair completion verification 2

VERIFY IF OTHER DTCs ARE DISPLAYED

•  Perform the DTC inspection.
(See DTC INSPECTION.)

•  Is a DTC displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	INSPECT PCM FOR MALFUNCTION • Perform the DTC inspection for the PCM. (See DTC INSPECTION.) • Is a DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (e-SKYACTIV)].)
1		No	Go to the next step.
Repair completion verification 1	VERIFY IF VEHICLE IS REPAIRED • Install/connect the part removed/disconnected during the troubleshooting procedure. • Clear the DTC recorded in the memory. (See CLEARING DTC.) • Perform the DTC inspection for the parking lock actuator. (See DTC INSPECTION.) • Is the same DTC displayed?	Yes	Refer to the CAN (controller area network) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [L.H.D. (E)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [R.H.D.].) If the CAN communication is normal, perform the diagnosis from Step 1 again. • If the malfunction is not resolved, replace the parking lock actuator, then go to the next step. (See PCM REMOVAL/INSTALLATION.)
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	VERIFY IF OTHER DTCs ARE DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Is a DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting.
Repair completion verification 2		No	DTC troubleshooting completed.