Diesel Data: Automotive Repair

Heater Control Panel




Control System DTCs

HVAC DTC Troubleshooting: 11

DTC indicator 11 : Heater Control Panel Internal Error

NOTE: Check the battery condition Battery Test and the PGM-FI DTCs; K24Z7 engine How To Troubleshoot The Fuel And Emissions Systems, except K24Z7 engine How To Troubleshoot The Fuel And Emissions Systems.

1. Problem verification:

Problem verification
-1. Turn the ignition switch to LOCK (0), and then back to ON (II).

-2. Do the Self-Diagnostic Function with the heater control panel How to Troubleshoot the Heating System (Heating).

-3. Check for DTCs.

Is DTC 11 indicated?
-YES- Replace the heater control panel Heater Control Panel Removal and Installation.
-NO- Intermittent failure, the heater control panel is OK at this time.