1998.5 Models

Diagnostic Trouble Code (DTC) Charts







System Pass - P0280





P0281 - P0605





P0606 - P1248





P1249 - P1397





P1464 - No Code, No Communication





No Code, Auxiliary Powertrain Control System - No Code, Tachometer


a Check engine light illuminates when fault is present. For California models, light will turn OFF if no fault is detected for three consecutive drive cycles.

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

c 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, P0571.