DTC Troubleshooting: P0384 (173)
DTC P0384:
 Glow Plug Control Module Circuit Shorted to Power
NOTE: Before you troubleshoot, record all freeze data and review the general troubleshooting information.
  1. Turn the ignition switch ON (II).
  1. Clear the DTC with the HDS.
  1. Do the GLOW ON/OFF in the INSPECTION MENU with the HDS.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0384 indicated?
YES -
Go to Step 5 .
NO -
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the glow plug control module and the ECM.■
  1. Turn the ignition switch OFF.
  1. Disconnect the glow plug control module 11P connector.
  1. Turn the ignition switch ON (II).
  1. Measure voltage between glow plug control module 11P connector terminal No. 11 and body ground.
Is there battery voltage?
YES -
Go to Step 9 .
NO -
Go to Step 13 .
  1. Turn the ignition switch OFF, and wait 2 minutes.
  1. Disconnect ECM connector No. 2 (58P).
  1. Turn the ignition switch ON (II).