What Does Service Ride Control Mean

It seems that 2001-2003 Chevrolet® Suburban® and Tahoe®, 2001-2003 GMC® Yukon® and Yukon® XL, 2002-2003 Cadillac® Escalade® and 2003 Escalade ESV® models equipped with a Rear Air Conditioning System and a Real Time Damping Chassis Package are all prone to this problem. Thankfully, the repair is the same for all models.

Your customers may comment that the “Service Ride Control” message is being displayed. Upon investigation, the technician may find a Diagnostic Trouble Code (DTC) C0580 set. The cause is poor clearance between the auxiliary Air Conditioning (A/C) evaporator hose and the right front shock absorber damper solenoid connector. Contact may occur between the two, damaging the connector and causing a poor connection at the damper solenoid. Follow the Service Procedure to fix the problem and prevent it from happening again.

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Service Procedure

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(Review safety procedures contained in the ALLDATA® system before beginning)

Installing a new A/C suction hose and auxiliary A/C evaporator hose then replacing the right front shock absorber solenoid connector will correct the problem.

1. Recover the A/C refrigerant.
2. Raise the vehicle.
3. Remove the right front wheel assembly and the right front wheelhouse panel.
4. Remove the nut and the auxiliary evaporator hose from the accumulator line block.
5. Remove the nut and the suction hose from the accumulator.
6. Remove the bolt and the suction hose from the compressor.
7. Install the new suction hose (GM P/N 15195652) and bolt to the compressor. Tighten the bolt to 12 lb ft (16 N.m).
8. Install the new suction hose and nut to the accumulator. Tighten the nut to 12 lb ft (16 N.m).
9. Release the four line retaining clamps, starting at the wheelhouse and along the underbody towards the rear of vehicle.

1. Install the new front section of the auxiliary evaporator hose (GM P/N 15196450) into the vehicle.
2. On both sections of the auxiliary evaporator line, cut back the plastic coating approximately 3 in. (76 mm).
3. Splice in the new front section of the auxiliary evaporator hose using (GM P/N J 41425 – A/C Line Repair Kit and J 41425-750 – Splice).
4. Install the auxiliary evaporator hose to the accumulator line block and nut. Tighten the nut to 12 lb ft (16 N.m).
5. Secure the line retaining clamps.
6. Install the wheelhouse panel and install the wheel assembly. Lower the vehicle.
7. Inject the oil into the A/C system that was removed during the recovery process using an A/C Oil Injection Kit.
8. Evacuate and recharge the refrigerant then leak test the fitting and splice using a Halogen Leak Detector.
9. Replace the right front shock absorber solenoid connector using a new service connector (GM P/N 88986417).

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Chevrolet® Suburban® and Tahoe®, GMC® Yukon® and Yukon® XL, Cadillac® Escalade® and Escalade ESV® are registered trademark names and model designations of the General Motors Corporation and are being used solely for reference and application purposes.

© 2014 ALLDATA LLC. All rights reserved. All technical information, images and specifications are from the ALLDATA Product. ALLDATA is a registered trademark of ALLDATA LLC. All other marks are the property of their respective holders.

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