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.
2018 Alfa Romeo Stelvio BaseFACTORY OEM SERVICE PROCEDURE
Module, Torque Vectoring
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| C2601-04 | TORQUE VECTORING MODULE (TVM) - SYSTEM INTERNAL FAILURES |
| C2602-16 | CLAMP 30 OR CLAMP 30G - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C2602-17 | CLAMP 30 OR CLAMP 30G - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| C2605-11 | OIL TEMPERATURE SENSOR LEFT - CIRCUIT SHORT TO GROUND |
| C2605-15 | OIL TEMPERATURE SENSOR LEFT - CIRCUIT SHORT TO BATTERY OR OPEN |
| C2608-11 | OIL TEMPERATURE SENSOR RIGHT - CIRCUIT SHORT TO GROUND |
| C2608-15 | OIL TEMPERATURE SENSOR RIGHT - CIRCUIT SHORT TO BATTERY OR OPEN |
| C260B-11 | LEFT POSITION SENSOR SUPPLY VOLTAGE - CIRCUIT SHORT TO GROUND |
| C260B-12 | LEFT POSITION SENSOR SUPPLY VOLTAGE - CIRCUIT SHORT TO BATTERY |
| C260D-11 | RIGHT POSITION SENSOR SUPPLY VOLTAGE - CIRCUIT SHORT TO GROUND |
| C260D-12 | RIGHT POSITION SENSOR SUPPLY VOLTAGE - CIRCUIT SHORT TO BATTERY |
| C2610-64 | LEFT POSITION SENSOR - SIGNAL PLAUSIBILITY FAILURE |
| C2610-65 | LEFT POSITION SENSOR - SIGNAL HAS TOO FEW TRANSITIONS/EVENTS |
| C2614-64 | RIGHT POSITION SENSOR - SIGNAL PLAUSIBILITY FAILURE |
| C2614-65 | RIGHT POSITION SENSOR - SIGNAL HAS TOO FEW TRANSITIONS/EVENTS |
| C2617-11 | LEFT MOTOR TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND |
| C2617-15 | LEFT MOTOR TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN |
| C261A-11 | RIGHT MOTOR TEMPERATURE SENSOR - CIRCUIT SHORT TO GROUND |
| C261A-15 | RIGHT MOTOR TEMPERATURE SENSOR - CIRCUIT SHORT TO BATTERY OR OPEN |
| C261D-11 | LEFT MOTOR PHASE U, V, W - CIRCUIT SHORT TO GROUND |
| C261D-12 | LEFT MOTOR PHASE U, V, W - CIRCUIT SHORT TO BATTERY |
| C261D-13 | LEFT MOTOR PHASE U, V, W - CIRCUIT OPEN |
| C2620-64 | LEFT MOTOR CONTROL - SIGNAL PLAUSIBILITY FAILURE |
| C2626-11 | RIGHT MOTOR PHASE U, V, W - CIRCUIT SHORT TO GROUND |
| C2626-12 | RIGHT MOTOR PHASE U, V, W - CIRCUIT SHORT TO BATTERY |
| C2626-13 | RIGHT MOTOR PHASE U, V, W - CIRCUIT OPEN |
| C2629-64 | RIGHT MOTOR CONTROL - SIGNAL PLAUSIBILITY FAILURE |
| C2633-68 | OIL WEAR - EVENT INFORMATION |
| C2652-81 | LEFT MOTOR SENSOR - INVALID SERIAL DATA RECEIVED |
| C2654-81 | RIGHT MOTOR SENSOR - INVALID SERIAL DATA RECEIVED |
| C2657-68 | LEFT WEAR LIMIT REACHED - EVENT INFORMATION |
| C2658-68 | RIGHT WEAR LIMIT REACHED - EVENT INFORMATION |
| C2659-07 | LEFT ACTUATOR - MECHANICAL FAILURES |
| C265A-07 | RIGHT ACTUATOR - MECHANICAL FAILURES |
| C266C-4B | LEFT E-MOTOR - OVER TEMPERATURE |
| C266D-4B | RIGHT E-MOTOR - OVER TEMPERATURE |
| C266E-4B | OIL TEMPERATURE LEFT - OVER TEMPERATURE |
| C266F-4B | OIL TEMPERATURE RIGHT - OVER TEMPERATURE |
| C2670-4B | LEFT CLUTCH - OVER TEMPERATURE |
| C2671-4B | RIGHT CLUTCH - OVER TEMPERATURE |
| C2672-4B | LEFT OUTPUT STAGE - OVER TEMPERATURE |
| C2673-4B | RIGHT OUTPUT STAGE - OVER TEMPERATURE |
| U0121-86 | BRAKING SYSTEM MODULE (BSM) - SIGNAL INVALID |
| U0121-87 | BRAKING SYSTEM MODULE (BSM) - MISSING MESSAGE |
| U0122-86 | CHASSIS DOMAIN CONTROL MODULE (CDCM) - SIGNAL INVALID |
| U0122-87 | CHASSIS DOMAIN CONTROL MODULE (CDCM) - MISSING MESSAGE |
| U0140-86 | BODY CONTROL MODULE (BCM) - SIGNAL INVALID |
| U0140-87 | BODY CONTROL MODULE (BCM) - MISSING MESSAGE |
| U1001-88 | C2 CAN BUS-BUS OFF |
| U3002-4A | VEHICLE IDENTIFICATION NUMBER - INCORRECT COMPONENT INSTALLED |
Factory Service Tools
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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.