Test Description

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

3: This step tests whether the condition is module, system, or condition related.
4: This step tests if the condition has been corrected or identified as specified in the supporting text.
6: This step tests if the DTC sets during normal operating conditions.

DTC C0707

Step	Action	Yes	No
Schematic Reference: Air Suspension Schematics
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Install a scan tool. Turn ON the ignition, with the engine OFF. With a scan tool, monitor the DTC Information for DTC C0707 in the air suspension module. Does the scan tool indicate that DTC C0707 is current?	Go to Step 4	Go to Step 3
3	Most occurrences of this DTC are caused by long run times of the compressor. Review the air suspension system with the customer to verify the conditions under which the DTC set. Did vehicle operation cause this DTC to set?	Go to Diagnostic Aids	Go to Step 4
4	Use the scan tool in order to clear the DTCs. Operate the vehicle within normal operating conditions. Does the DTC reset?	Go to Step 5	System OK
5	Replace the air suspension compressor. Refer to Compressor Assembly Automatic Level Control Air Replacement (Dual Compressors) or Compressor Assembly Automatic Level Control Air Replacement (Single Compressor) . Did you complete the replacement?	Go to Step 6	-
6	Use the scan tool in order to clear the DTCs. Operate the vehicle within normal operating conditions. Does the DTC reset?	Go to Step 7	System OK
7	Replace the air suspension module. Refer to Control Module References . Perform the trim height calibration procedure for the air suspension module if necessary after check trim height procedure. Did you complete the replacement?	System OK	-