Diagnostic Routine F

Diagnostic Routine F

Diagnostic Overview

U3003:1C

Normal Operation and Fault Conditions

DTC Fault Trigger Conditions






Pinpoint Test

NOTE: DTC (Diagnostic Trouble Code) U3003:1C may be stored in the module memory due to past battery charging or vehicle jump starting events.

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

1. Ignition ON.

2. Using a scan tool, perform self-test.

3. Retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.

Is DTC (Diagnostic Trouble Code) U3003:17, U3003:1C, B1317, B1676 or P0563 (PCM (Powertrain Control Module)) set in more than one module?








2. CHECK THE BATTERY VOLTAGE

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

2. Start and run the engine at approximately 2,000 RPM (Revolutions Per Minute) for 3 minutes while monitoring the battery voltage.

Does the battery voltage rise to 15.5 volts or higher?








3. RECHECK FOR DTC (Diagnostic Trouble Code) U3003:1C

1. Turn the engine off.

2. Ignition ON.

3. Using a scan tool, clear the HUD (Head Up Display) module CMDTCs (Continuous Memory Diagnostic Trouble Codes).

4. Perform the HUD (Head Up Display) module self-test.

Is DTC (Diagnostic Trouble Code) U3003:1C present?