Circuit/System Testing
WARNING: This page is about a different car, the 2008 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Allow the navigation system to cool if the ambient temperature inside the vehicle is excessive and the radio is hot to the touch before proceeding with this diagnostic procedure.
- Ignition ON, with a scan tool clear all DTCs.
- Ignition ON, install a known good MAP DVD and operate the system within the Condition for Running the DTC.
- If the DTC resets, replace the radio.