Yes. A1 Premier Transmissions provides specialist gearbox repairs for motorists throughout Norwich and the surrounding Norfolk area. We diagnose and repair automatic, manual, DSG, CVT, DCT and Powershift transmissions using advanced transmission diagnostic equipment and specialist repair techniques.

We regularly assist customers throughout Norwich, Thorpe St Andrew, Hellesdon, Costessey, Sprowston, Wymondham, Aylsham, Diss, Attleborough and surrounding Norfolk locations. If you're unsure whether we cover your area, simply contact our team.

Yes. If your vehicle is unsafe to drive because of a gearbox fault, we can arrange vehicle collection from Norwich and nearby Norfolk areas. Charges apply, and our team will explain the available options before confirming your booking.

Yes. Whether your vehicle develops a gearbox fault while travelling through Norwich or on the A11, A47, A140, A146 or Broadland Northway, our team can advise you on the safest next steps and discuss vehicle collection where required.

The Transmission Control Module (TCM) is the electronic unit that controls how your gearbox changes gear. It receives information from multiple sensors and determines when and how the transmission should shift. If it develops a fault, you may experience erratic gear changes, warning lights or reduced gearbox performance.

In many cases, yes. Depending on the nature of the fault, the TCM can often be repaired, reprogrammed or replaced without rebuilding the complete gearbox. Following diagnosis, we'll recommend the most appropriate repair solution.

Erratic gear changes can be caused by Transmission Control Module faults, software issues, sensor failures, hydraulic pressure problems or internal gearbox wear. A specialist transmission diagnosis is required to identify the exact cause.

Yes. Modern automatic transmissions rely heavily on electronic software. Corrupted software, communication faults or module failures can all affect gear selection, shift quality and overall gearbox performance.

Limp mode is designed to protect the gearbox when the vehicle detects a transmission fault. Common causes include TCM faults, sensor failures, hydraulic pressure issues, transmission overheating or internal gearbox damage.

Yes. Our technicians repair automatic, manual, DSG, CVT, DCT and Powershift gearboxes across a wide range of vehicle manufacturers using specialist diagnostic equipment and proven repair procedures.

In many cases, yes. Repairing or rebuilding the original gearbox is often more cost-effective than replacing the complete transmission. Following diagnosis, we'll explain all available options and recommend the most suitable repair for your vehicle.

Drivers throughout Norwich choose A1 Premier Transmissions because of our specialist transmission expertise, advanced diagnostic equipment and honest approach to gearbox repairs. From Transmission Control Module repairs and gearbox diagnostics to complete transmission rebuilds, completed repairs are backed by our 12-month / 12,000-mile warranty, with finance options and assistance for warranty claims available where applicable.