Steering Control Module (SCM)

P0585-SPEED CONTROL MULTIPLEXED SWITCH 1/2 CORRELATION



- When Monitored:
Continuously with the ignition on.

- Set Condition:
The Steering Control Module (SCM) has detected that a non-permissable combination has occurred in the Speed Control Switch.





1. DTC IS ACTIVE

NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first.

1. Ignition on, engine not running.
2. With the scan tool, select View DTCs in the Steering Control Module.

Is the DTC status Active at this time?

Yes

- Go To 2

No

- Go To 4

2. SPEED CONTROL SWITCH
1. Turn the ignition off.
2. Replace the Speed Control Switch.
3. Turn the ignition on.
4. Move the Speed Control Switch to each position several times.
5. With the scan tool, Clear Stored DTCs in the Steering Control Module.
6. With the scan tool, select View DTCs in the Steering Control Module.
7. Move the Speed Control Switch to each position several times while monitoring the scan tool.

Does this DTC reset?

Yes

- Go To 3

No

- Test Complete.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. Steering Control Module (SCM)

View repair.

Repair

- Replace the Steering Control Module (SCM).
- Perform the BODY VERIFICATION TEST. Body Verification Test.

4. INTERMITTENT SPEED CONTROL MULTIPLEXED SWITCH 1/2 CORRELATION DTC
1. The conditions necessary to set this DTC are not present at this time.
2. While monitoring the scan tool data relative to this circuit, move the Speed Control Switch to each position several times.
3. Look for the DTC to reset while the switch is being moved to each position.

Were any problems found?

Yes

- Repair as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Test complete.