Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Volvo V40FACTORY OEM SERVICE PROCEDURE
Combined Instrument (CI) DTCS
COMBINED INSTRUMENT (CI) - DTC INDEX
| DTC | Description |
| CI-01 | Control Module. Internal Fault |
| CI-02 | Fuel Level Sensor. Signal Too High |
| CI-03 | Fuel Level Sensor. Signal Too Low |
| CI-05 | Vehicle Speed Signal. Faulty Signal |
| CI-06 | Vehicle Speed Signal. Signal Missing |
| CI-07 | Engine Speed (RPM) Signal. Faulty Signal |
| CI-08 | Engine Speed (RPM) Signal. Signal Missing |
| CI-09 | Fuel Consumption Signal. Signal Missing |
| CI-0A | Outside Temperature Sensor. Signal Too High |
| CI-0B | Outside Temperature Sensor. Signal Too Low |
| CI-10 | Engine Coolant Temperature (ECT). Faulty Signal (B4204T2 CVVT) |
| CI-10 | Engine Coolant Temperature (ECT). Faulty Signal (B4204T3 (CA) (US)) |
| CI-11 | Engine Coolant Temperature (ECT) Sensor. Signal Missing (B4204T2 CVVT) |
| CI-11 | Engine Coolant Temperature (ECT) Sensor. Signal Missing (B4204T3 (CA) (US)) |
| CI-14 | Clock Adjustment Knob. Signal Too Low |
| CI-16 | Trip Computer Reset Button (Reset). Signal Too Low |
| CI-16 | Trip Computer Reset Button (Reset). Signal Too Low |
| CI-17 | Trip Odometer Reset Button. Signal Too Low |
| CI-18 | Vehicle Speed Signal (1/9) Signal Too High |
| CI-19 | Vehicle Speed Signal (1/9) Signal Too Low |
| CI-1A | Vehicle Speed Signal (1/4). Signal Too High |
| CI-1B | Vehicle Speed Signal (1/4). Signal Too Low |
| CI-1C | Combined Instrument Panel. No Data |
| CI-1D | Trip Computer Set Button (Set). Signal Too Low |
| CL-0C | Gas Level Signal, LPG Control Module. Signal Too High |
| CL-0D | Gas Level Signal, Lpg Control Module. Signal Too Low |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.