B2311
DTC WILL SET WHENThe phone detects a hardware failure.
^ RAM Failure
^ ROM Failure
^ Code Failure
DTC WILL CLEAR WHEN
The fault is not present on the next ignition cycle.
TROUBLESHOOTING HINTS
If DTC B2311 is set, clear DTCs and cycle the ignition. If DTC B2311 is still current, replace the handset.