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Toyota RAV4 hybrid showing reduced EV range and more frequent engine use than when new. Hybrid battery capacity reducing with age. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
Based on 0 driver confirmations
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Toyota problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
Range noticeably reduced at 120k miles. Had it tested — battery at 76% capacity which Toyota says is acceptable. No fault, no repair needed. This is just normal ageing. Battery should last to at least 200k miles even with degradation. Managing expectations more than anything.
Parts replaced: None
EV range dropped from 40 miles to about 22 miles. Toyota quoted £4,800 for a new hybrid battery. Specialist found only 6 of the 34 cells had degraded. Replaced just those cells — £680. Range back up to 38 miles. Always get a cell-level diagnosis before replacing the whole pack.
Parts replaced: 6x hybrid battery cells
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