Dacia Sandero (III): known faults of the electronics and interior according to L'argus

Engine / equipment

Dacia Sandero (III), all engines

Period mentioned

2020–2026

Symptoms

Active emergency braking light on (up to 14/03/2022); Automatic climate control switches off after one or two hours (up to 21/06/2022); Screen black at times or frozen on the reversing camera image (MediaNav ULC 4.5 or later) (up to 01/05/2023); MediaNav faults, black or frozen screen at start-up (up to 01/04/2024); Ventilation or air conditioning faults (up to 13/12/2021); All dashboard lights stay on after switching the ignition on or off (up to 31/05/2025)

Possible cause described

According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) Active emergency braking light on (up to 14/03/2022): Collision warning radar reprogramming. 2) Automatic climate control switches off after one or two hours (up to 21/06/2022): Reprogramming and/or climate control unit replacement. 3) Screen black at times or frozen on the reversing camera image (MediaNav ULC 4.5 or later) (up to 01/05/2023): Reprogram the radio. 4) MediaNav faults, black or frozen screen at start-up (up to 01/04/2024): MediaNav unit to be replaced. 5) Ventilation or air conditioning faults (up to 13/12/2021): Fuse and relay box, or fuse F24, depending on diagnosis. 6) All dashboard lights stay on after switching the ignition on or off (up to 31/05/2025): Reprogram the injection control unit.

Check for the garage

Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.

Cost cited in the source

No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database