Diagnostic trouble code (DTC) information

Condition 

Fig 1: Identifying ABS Control Module, Speedometer And Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

If the engine speed exceeds 1500 RPM for at least 60 seconds at the same time as the speed signal from the ABS control module is lower than 2 km/h it is registered as a faulty signal. Diagnostic trouble code (DTC) CI-06 is stored in the combined instrument panel.

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
• defective ABS control module
• defective combined instrument panel.

Fault symptom[s] 

• the speedometer does not function.