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!

Please note: We specialise in working with trade professionals like mechanics and auto electricians to streamline the repair process. While we primarily focus on supporting businesses, we’re happy to discuss solutions for individual car owners when needed.