Freephone: 0800 000 488 | Unit 4/ 242 Ferry Road Waltham Christchurch

Toyota RAV4 ECU Repair (2001-2005) – TCM Harsh Shift

Toyota RAV4 ECU Repair (2001-2005) – TCM Harsh Shift

This service addresses issues with the Engine Control Module (ECM) in 2001-2005 Toyota RAV4 models, both 4WD and 2WD, that lead to harsh shifting and other transmission problems. Often, these symptoms may suggest a faulty transmission, but in 99% of cases, they can be resolved by correctly repairing or replacing the ECM.

Common Symptoms Include:

  • Hesitation or harsh shifting, especially in 3rd gear
  • Erratic shifting
  • Harsh engagement in reverse, often slamming into gear
  • Occasional self-braking sensation
  • Rattling, clicking, or unusual noises from the front of the vehicle when the engine is running
  • Intermittent functioning—works fine one day, issues return the next
  • Symptoms may vary depending on temperature (cold or hot)
  • Heavy or sluggish feeling when resuming movement after stopping
  • Check engine light may not be present, but possible codes include P0750, P0753, P0755, P0758, or P1760
  • Warranty: 2 years on the repair

Need this service or product? Contact us at 0800 000 488, and we'll be happy to help! We offer a wide range of electrical and electronics diagnostic and repair services, so please don't hesitate to contact us regarding any unrelated issues!