DTC B23BC Jeep
Engine Speed (RPM) Signal. Signal Missing
Engine Speed (RPM) Signal. Signal Missing
Description
Diagnostic trouble code (DTC) CI-08 is stored in the combined instrument panel if the fuel consumption signal increases in the combined instrument panel at the same time as the engine speed (RPM) signal from the engine control module (ECM) is lower than 150 rpm. Note! In cars with the Melco 2 engine management system, the engine speed (RPM) signal comes directly from the ignition sensor in the engine management system.
Cause and Solution
Short-circuit to ground in the signal cableShort-circuit to supply voltage in the signal cableOpen-circuit in the signal cableDefective engine control module (ECM) (does not apply to Melco2)Defective combined instrument panel
Video Guide
Diagnostic Info
- DTC Code: B23BC
- Brand: Jeep