For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provide an overview of each diagnostic category. |
DTC Descriptor
DTC 001: System Disabled Information StoredCircuit/System Description
The air suspension compressor assembly monitors the calibrations in the electrically erasable programmable read-only memory (EEPROM). The module also monitors the compressor, solenoids and internal wiring for faults.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
The air suspension compressor assembly detects an invalid EPROM checksum or internal component failure.
Action Taken When the DTC Sets
Depending on the condition that set the DTC, some or all functions will be disabled.
Conditions for Clearing the DTC
The DTC will automatically clear when the condition for setting the DTC is removed and the ignition has cycled from ON to OFF to ON.
Circuit/System Verification
Verify that DTC 001 is not set.
| ⇒ | If the DTC is set , cycle the ignition OFF to ON. If the DTC resets, replace the air spring compressor. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
