Steering Control Module (SCM)

P0585-SPEED CONTROL MULTIPLEXED SWITCH 1/2 CORRELATION

For a complete wiring diagram, refer to the wiring information Electrical Diagrams.

- When Monitored:
Continuously with the ignition on.

- Set Condition:
The Steering Control Module (SCM) has detected that a non-permissible 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, read SCM DTCs.

Is the DTC status Active at this time?

Yes

- Go To 2

No

- The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform the BODY VERIFICATION TEST Body Verification Test.

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

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

No

- Test Complete.