P0383
Glow Plug Control Module Control Circuit Low
CAN Bus and Communication DTC Codes
CAN bus, module communication, and network OBD-II codes (U-codes territory).
About CAN / Communication codes
Communication codes indicate CAN bus dropouts or module non-response. Often wiring or failed module. Suppressing these masks genuine bus health issues.
All 15 codes in CAN / Communication
P0384
Glow Plug Control Module Control Circuit High
P0600
Serial Communication Link Malfunction
P0601
Internal Control Module Memory Check Sum Error
P0602
Control Module Programming Error
P0603
Internal Control Module Keep Alive Memory (KAM) Error
P0604
Internal Control Module Random Access Memory (RAM) Error
P0605
Internal Control Module Read Only Memory (ROM) Error
P0607
Control Module Performance
P0609
Control Module VSS Output "B" Malfunction
P0610
Control Module Vehicle Options Error
P0644
Driver Display Serial Communication Circuit
P0670
Glow Plug Module Control Circuit
P0683
Glow Plug Control Module to PCM Communication Circuit
P0684
Glow Plug Control Module to PCM Communication Circuit Range/Performance