Technical Service Bulletins

Caddy Steering Position DTC

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Caddy Steering Position DTC

In rare cases, some owners of 2014 Cadillac Escalade vehicles equipped with a 6.2L engine may comment about the Service StabiliTrak message being displayed in the DIC. The StabiliTrak light may also be on.

When checking the vehicle for DTCs, the electronic brake control module (EBCM) may report C0455 and/or C0710 set as current or in history. This condition may be caused by an increase in resistance in the circuits connecting the steering position sensor and the EBCM due to fretting on the connector terminals.

Also, the male to female plastic connector may have excessive clearance that can cause the connector to move up and down. Fretting corrosion looks like little dark smudges on the electrical terminals and appear where the actual electrical contact is being made.

Do not replace the steering position sensor for this condition. The terminal pins on the sensor do not have the same concentration of deposits.

Disconnect the steering position sensor connector. Using P/N P40100 from Kent Industries (1-888-YES-KENT), add a piece of adhesive back shim stock, the width of the connector, to the flat surface on the male connector. This provides support to the connector to keep it from moving up and down. With a nylon bristle brush, apply dielectric lubricant to the sensor side and the harness side of the affected connector. Avoid excessive lube, as this can cause a hydrolock.

Reconnect the steering wheel position sensor connector and wipe away any excess lubricant. If the DTC resets, replace the steering angle sensor harness side connector with the service pigtail.

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