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The message "C0750" on the onboard computer of the Opel Mokka refers to a diagnostic trouble code (DTC) related to the vehicle's systems. Specifically, it often indicates an issue with the vehicle's wheel speed sensors or the anti-lock braking system (ABS

Model: Vauxhall Mokka Mokka B - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Onboard computer

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When the code C0750 appears on the onboard computer of our Opel Mokka, it indicates a fault in the tire pressure monitoring system, specifically pointing to a communication issue with one of the tire pressure sensors. The main cause is that the battery of the sensor has drained; each sensor contains a battery that lasts between 5 and 10 years.

When this battery runs out, the sensor stops transmitting data to the car's control unit, generating this error code. A good diagnostic tool can identify which sensor is not responding.

Replacing the battery is not possible, so the sensor must be replaced; it is also advisable to replace all of them, as they were activated together, so if one has worn out, the others are likely to do so soon. After replacement, it is essential to reprogram the system so that the control unit recognizes the new (or new) sensor(s).


Posted on 29 November 2025 by ScegliAuto


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