Lighting and Horns

Diagnostic Routine AF

Diagnostic Overview

DTC B11D9:17

Normal Operation and Fault Conditions

DTC (Diagnostic Trouble Code) B11D9:17 may be stored in the module memory due to previous battery charging or vehicle jump starting events.

DTC Fault Trigger Conditions






Visual Inspection and Diagnostic Pre-checks

- Check the charging system for correct operation.

Pinpoint Test

1. CHECK FOR DTC (Diagnostic Trouble Code) B1317, B1676, P0563 (PCM (Powertrain Control Module)) OR U3003:17 SET IN OTHER MODULES

1. Ignition ON.

2. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.

Is DTC (Diagnostic Trouble Code) B1317, B1676, P0563 (PCM (Powertrain Control Module)) or U3003:17 set in more than one module?








2. CHECK THE BATTERY VOLTAGE

1. Turn off all interior/exterior lights and accessories.

2. Start and run the engine at approximately 2,000 rpm for 3 minutes while monitoring the battery voltage.

Does the battery voltage increase to 15.5 volts or higher?








3. RECHECK FOR DTC (Diagnostic Trouble Code) B11D9:17

1. Turn the engine off.

2. Ignition ON.

3. Using a scan tool, clear the DTCs (Diagnostic Trouble Codes) and repeat the FLM (Front Lighting Control Module) on-demand self-test.

Is DTC (Diagnostic Trouble Code) B11D9:17 present?