1998 Models

Diagnostic Trouble Code (DTC) Charts







No DTCs - P0283





P0284 - P0750





P0751 - P1282





P1283 - P1728





P1729 - No Code, Tachometer

* Check engine light illuminates when fault is present. Light will turn OFF if no fault is detected for four consecutive drive cycles.

** Transmission Control Indicator Light (TCIL) flashes when fault is present.

*** Transmission or transfer case DTC. Refer to appropriate testing procedures as applicable.

NOTE: Speed control DTCs will be set during KOER Switch Test if the vehicle is not equipped with speed control. This is a normal condition. On these vehicles ignore DTCs P0565, P0566, P0567, P0568, P0569.