DTC C0051:2F/C0052:11/C0052:13/C0053:11/C0053:13/C0054:11/C0054:13/C0055:11/C0055:13 [BCM]

id0902f5415600

Description

C0051:2F

• Steering angle signal error

C0052:11, C0052:13

• Steering angle sensor A signal input circuit malfunction

C0053:11, C0053:13

• Steering angle sensor B signal input circuit malfunction

C0054:11, C0054:13

• Steering angle sensor C signal input circuit malfunction

C0055:11, C0055:13

• Steering angle sensor Z signal input circuit malfunction

Detection Condition

C0051:2F

• Errors detected in a combination of signals from each sensor (A, B, C, Z).

C0052:11

• Short to ground in steering angle sensor A signal input circuit.

C0052:13

• Open circuit in steering angle sensor A signal input circuit.

C0053:11

• Short to ground in steering angle sensor B signal input circuit.

C0053:13

• Open circuit in steering angle sensor B signal input circuit.

C0054:11

• Short to ground in steering angle sensor C signal input circuit.

C0054:13

• Open circuit in steering angle sensor C signal input circuit.

C0055:11

• Short to ground in steering angle sensor Z signal input circuit.

C0055:13

• Open circuit in steering angle sensor Z signal input circuit.

Possible Causes

• Steering angle sensor connector or terminals malfunction

• BCM connector or terminals malfunction

• Short to ground in wiring harness between the following terminals:

― Steering angle sensor terminal B—BCM terminal 5E

― Steering angle sensor terminal C—BCM terminal 5D

― Steering angle sensor terminal D—BCM terminal 5C

― Steering angle sensor terminal E—BCM terminal 5B

• Steering angle sensor circuits are shorted to each other.

• Open circuit in wiring harness between the following terminals:

― Steering angle sensor terminal B—BCM terminal 5E

― Steering angle sensor terminal C—BCM terminal 5D

― Steering angle sensor terminal D—BCM terminal 5C

― Steering angle sensor terminal E—BCM terminal 5B

• Steering angle sensor malfunction

• BCM malfunction

System Wiring Diagram

am6zzw00006960

Diagnostic Procedure

Step

Inspection

Action

1

PERFORM DTC INSPECTION

•  Clear the DTCs using the M-MDS.
(See CLEARING DTC [BCM].)

•  Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)

•  Are any of the following DTC present?

―  C0051:2F/C0052:11/C0052:13/ C0053:11/C0053:13/C0054:11/C0054:13/C0055:11/C0055:13

Yes

Go to the next step.

No

DTC troubleshooting completed.

2

INSPECT STEERING ANGLE SENSOR CONNECTOR CONDITION

•  Switch the ignition to off.

•  Disconnect the negative battery cable.

•  Disconnect the steering angle sensor connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 8.

No

Go to the next step.

3

INSPECT BCM CONNECTOR CONDITION

•  Disconnect the BCM connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 8.

No

C0051:2F/C0052:11/ C0053:11/C0054:11/C0055:11

•  Go to the next step.

C0052:13/C0053:13/C0054:13/C0055:13

•  Go to Step 6.

4

INSPECT STEERING ANGLE SENSOR CIRCUIT FOR SHORT TO GROUND

•  Steering angle sensor and BCM connectors are disconnected.

•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:

―  Steering angle sensor terminal B

―  Steering angle sensor terminal C

―  Steering angle sensor terminal D

―  Steering angle sensor terminal E

•  Is there continuity?

Yes

Repair or replace the wiring harness for a possible short to ground, then go to Step 8.

No

Go to the next step.

5

INSPECT STEERING ANGLE SENSOR CIRCUITS FOR SHORT TO EACH OTHER

•  Steering angle sensor and BCM connectors are disconnected.

•  Switch the ignition to off.

•  Disconnect the negative battery cable.

•  Inspect for continuity between steering angle sensor terminals A, B, C, D, E, and F (wiring harness-side).

•  Is there continuity?

Yes

Repair or replace the wiring harness for a possible short to each other, then go to Step 8.

No

Go to the next step.

6

INSPECT STEERING ANGLE SENSOR CIRCUIT FOR OPEN CIRCUIT

•  Steering angle sensor and BCM connectors are disconnected.

•  Inspect for continuity between the following terminals (wiring harness-side):

―  Steering angle sensor terminal B—BCM terminal 5E

―  Steering angle sensor terminal C—BCM terminal 5D

―  Steering angle sensor terminal D—BCM terminal 5C

―  Steering angle sensor terminal E—BCM terminal 5B

•  Is there continuity?

Yes

Go to the next step.

No

Repair or replace the wiring harness for a possible open circuit, then go to Step 8.

7

INSPECT STEERING ANGLE SENSOR

•  Inspect the steering angle sensor.
(See STEERING ANGLE SENSOR INSPECTION.)

•  Is there any malfunction?

Yes

Replace the steering angle sensor, then go to the next step.

(See STEERING ANGLE SENSOR REMOVAL/INSTALLATION.)

No

Go to the next step.

8

VERIFY TROUBLESHOOTING COMPLETED

•  Make sure to reconnect all disconnected connectors.

•  Reconnect the negative battery cable.

•  Clear the DTCs using the M-MDS.
(See CLEARING DTC [BCM].)

•  Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)

•  Are any of the following DTC present?

―  C0051:2F/C0052:11/C0052:13/ C0053:11/C0053:13/C0054:11/C0054:13/C0055:11/C0055:13

Yes

Repeat the inspection from Step 1.

•  If the malfunction recurs, replace the BCM.
(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)

Go to the next step.

No

Go to the next step.

9

VERIFY THAT NO OTHER DTCs ARE PRESENT

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [BCM].)

No

DTC troubleshooting completed.

Step	Inspection		Action
1	PERFORM DTC INSPECTION • Clear the DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].) • Are any of the following DTC present? ― C0051:2F/C0052:11/C0052:13/ C0053:11/C0053:13/C0054:11/C0054:13/C0055:11/C0055:13	Yes	Go to the next step.
1		No	DTC troubleshooting completed.
2	INSPECT STEERING ANGLE SENSOR CONNECTOR CONDITION • Switch the ignition to off. • Disconnect the negative battery cable. • Disconnect the steering angle sensor connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 8.
2		No	Go to the next step.
3	INSPECT BCM CONNECTOR CONDITION • Disconnect the BCM connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 8.
3		No	C0051:2F/C0052:11/ C0053:11/C0054:11/C0055:11 • Go to the next step. C0052:13/C0053:13/C0054:13/C0055:13 • Go to Step 6.
4	INSPECT STEERING ANGLE SENSOR CIRCUIT FOR SHORT TO GROUND • Steering angle sensor and BCM connectors are disconnected. • Inspect for continuity between the following terminals (wiring harness-side) and body ground: ― Steering angle sensor terminal B ― Steering angle sensor terminal C ― Steering angle sensor terminal D ― Steering angle sensor terminal E • Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to ground, then go to Step 8.
4		No	Go to the next step.
5	INSPECT STEERING ANGLE SENSOR CIRCUITS FOR SHORT TO EACH OTHER • Steering angle sensor and BCM connectors are disconnected. • Switch the ignition to off. • Disconnect the negative battery cable. • Inspect for continuity between steering angle sensor terminals A, B, C, D, E, and F (wiring harness-side). • Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to each other, then go to Step 8.
5		No	Go to the next step.
6	INSPECT STEERING ANGLE SENSOR CIRCUIT FOR OPEN CIRCUIT • Steering angle sensor and BCM connectors are disconnected. • Inspect for continuity between the following terminals (wiring harness-side): ― Steering angle sensor terminal B—BCM terminal 5E ― Steering angle sensor terminal C—BCM terminal 5D ― Steering angle sensor terminal D—BCM terminal 5C ― Steering angle sensor terminal E—BCM terminal 5B • Is there continuity?	Yes	Go to the next step.
6		No	Repair or replace the wiring harness for a possible open circuit, then go to Step 8.
7	INSPECT STEERING ANGLE SENSOR • Inspect the steering angle sensor. (See STEERING ANGLE SENSOR INSPECTION.) • Is there any malfunction?	Yes	Replace the steering angle sensor, then go to the next step. (See STEERING ANGLE SENSOR REMOVAL/INSTALLATION.)
7		No	Go to the next step.
8	VERIFY TROUBLESHOOTING COMPLETED • Make sure to reconnect all disconnected connectors. • Reconnect the negative battery cable. • Clear the DTCs using the M-MDS. (See CLEARING DTC [BCM].) • Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].) • Are any of the following DTC present? ― C0051:2F/C0052:11/C0052:13/ C0053:11/C0053:13/C0054:11/C0054:13/C0055:11/C0055:13	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.) Go to the next step.
8		No	Go to the next step.
9	VERIFY THAT NO OTHER DTCs ARE PRESENT • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [BCM].)
9		No	DTC troubleshooting completed.