Diagnostic trouble code (DTC) information

Condition 

Fig 1: Combined Instrument Panel, Model Year 1999-

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) CI-08 is stored in the combined instrument panel if the fuel consumption calculator is not updated in the combined instrument panel, at the same time as the engine speed (RPM) is higher than 500 RPM and the vehicle speed is 0 km/h for more than 10 seconds.

This diagnostic trouble code (DTC) cannot be stored in Bi-fuel cars.

Substitute Value 

None.

Possible Source 

• short-circuit to ground in the signal cable
• short-circuit to supply voltage in the signal cable
• open-circuit in the signal cable or in the ground lead
• defective engine control module (ECM)
• defective combined instrument panel.

Fault symptom[s] 

• FUEL INST displays incorrect value
• FUEL AVGT displays incorrect value.