2019–2022 Toyota RAV4: Hybrid warning or power loss (rear motor HV connector corrosion)
Likely causes, ranked
- Corrosion or debris at the rear motor HV cable connection (cable and HV wire replaced)Shop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
Parts to check
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Symptom: Hybrid system warnings, isolation fault codes, and possible power loss.
Likely causes
- Rear motor connector. RAV4World owners discuss Toyota's tech tip and bulletin replacing the rear motor cable and floor wire after corrosion is found.
DIY or shop?
Dealer, because high voltage is involved.
Useful steps
- Have the hybrid codes read.
- Ask about the bulletin.
Vehicle focus: 2019–2022 Toyota RAV4.
Safety / mechanic note
High-voltage faults can cause power loss. Don't attempt DIY repairs. Verify with a dealer.
Related trouble codes
Recalls & service bulletins
No recalls or service bulletins are listed for this page yet.
NHTSA complaints: 43 keyword-matched complaints (of 60 unique complaints filed under NHTSA model names RAV4 HYBRID, 2019–2022; NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.