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2007 Lexus RX400h – Hybrid Warning With P0A93 P0A05 P0A08

Aug 15
1 min read

Updated: Aug 15

CUSTOMER CONCERN

Customer states hybrid-system warning lights are on. DTCs P0A93, P0A05 and P0A08 are stored.

CAUSE

No coolant movement was visible in the inverter reservoir and the inverter coolant pump did not operate, confirming loss of inverter-coolant circulation.

CORRECTION

Remove and replace inverter water pump. Refill and bleed inverter cooling circuit. Clear hybrid-system DTCs.

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2007 Lexus RX400h – Hybrid Warning With P0A93 P0A05 P0A08

CUSTOMER CONCERN

CAUSE

CORRECTION

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