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2020 Toyota Camry Hybrid SE – Check Engine Light With P2681-15
CUSTOMER CONCERN The engine control module stores DTC P2681-15 for the coolant-flow control circuit. CAUSE The confirmed repair identified a failed coolant flow control valve; Toyota's updated valve was specified for the condition. CORRECTION Remove and replace the failed coolant flow control valve with the updated Toyota unit, clear DTC P2681-15, and verify coolant-flow control operation.
2010 Chevrolet Tahoe Hybrid – Intermittent Stall and No Start With U0073
CUSTOMER CONCERN Engine stalls intermittently and may not restart with DTC U0073 stored. CAUSE Network testing confirmed an internal Engine Control Module failure. CORRECTION Remove and replace the failed Engine Control Module. Program and configure the replacement module.
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