Hybrid warning after fitting a replacement engine

Engine replacement can involve more than mechanical installation on a hybrid. A warning afterwards should be investigated with the full work history, including electrical connections and any required setup.

How to approach the assessment

Tell the workshop what was transferred from the original engine and whether the car ran normally before the replacement. Do not assume the traction battery has failed because a hybrid warning is present. The assessment must consider the repaired area and complete scan record.

Useful details to send

  • Reason for engine replacement.
  • Parts transferred and work completed.
  • Before-and-after diagnostic reports.

Arrange the right assessment

This is enquiry guidance, not a high-voltage repair procedure. Do not open battery packs or work on high-voltage equipment. Agree the vehicle assessment and transport arrangements with the receiving workshop first.

Ask AXION about your repair or read our EV and hybrid assessment information. Workshop visits are by appointment in Didcot. Confirm suitability before posting any removed module.

Related reading

Browse all EV, hybrid and collision repair guides.

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