DTC Troubleshooting: P0383 (173)
DTC P0383:
 Glow Plug Control Module Circuit Shorted to Ground
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 P0383 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, and wait 2 minutes.
  1. Disconnect the glow plug control module 11P connector.
  1. Check for continuity between glow plug control module 11P connector terminal No. 11 and body ground.
Is there continuity?
YES -
Go to Step 8 .
NO -
Go to Step 10 .
  1. Disconnect ECM connector No. 2 (58P).