FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Diagnostic Trouble Code Tests and Associated Procedures




Vehicle Dynamic Suspension

Vehicle Dynamics Module (VDM) DTC Chart

NOTE: If VDM C2131b is disconnected before VDM C2131a, DTCs C1830, C1770, C1790 and C1795 will be set and must be cleared before an accurate list of continuous DTCs can be retrieved.

Vehicle Dynamics Module (VDM) DTC Chart