Pinpoint Test
NOTE:
DTC U3003:17 may be stored in the module memory due to past battery charging or vehicle jump starting events.
- CHECK FOR DTC U3003:17, B1317, B1676, P0563 or P0626 SET IN OTHER MODULES
- Ignition ON.
- Using a scan tool, perform self-test.
- Retrieve the CMDTCs from all modules.
Is DTC U3003:17, B1317, B1676, P0563 (PCM) or P0626 (PCM) set in more than one module?
- Yes: REFER to DIAGNOSTIC ROUTINE A : System Voltage High to diagnose an overcharging condition.
- No: GO to 2 .
- CHECK THE BATTERY VOLTAGE
- Turn off all the interior/exterior lights and accessories.
- Start and run the engine at approximately 2, 000 RPM for 3 minutes while monitoring the battery voltage.
Does the battery voltage rise to 15.5 volts or higher?
- Yes: REFER to DIAGNOSTIC ROUTINE A : System Voltage High to diagnose an overcharging condition.
- No: GO to 3 .
- RECHECK FOR DTC U3003:17
- Turn the engine off.
- Ignition ON.
- Using a scan tool, clear the CMDTCs .
- Perform the C-CM self-test.
Is DTC U3003:17 present?
- Yes: INSTALL a new C-CM . REFER to Cruise Control Module (C-CM) .
- No: The system is operating normally at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.