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 provides an overview of each diagnostic category. |
DTC Descriptor
DTC B1023 08: Key StuckCircuit/System Description
The radio monitors each of the buttons located on the radio face during normal operation.
Conditions for Running the DTC
Ignition ON.
Conditions for Setting the DTC
The radio detects that a button on the radio is stuck.
Action Taken When the DTC Sets
Operations from the stuck button will be ignored.
Conditions for Clearing the DTC
| • | A current DTC will clear when the radio detects that the button is no longer stuck. |
| • | A history DTC will clear after 100 malfunction free ignition cycles. |
Reference Information
Schematic Reference
Radio/Navigation System Schematics
Connector End View Reference
Description and Operation
Radio/Audio System Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Ignition ON, verify DTC B1023 is not set.
| ⇒ | If the DTC is set, clear the DTC. If the DTC resets, replace the radio. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for radio replacement, programming, and setup
