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2008 Chevrolet Tahoe Hybrid – No Crank After Engine Replacement
CUSTOMER CONCERN The engine will not crank after engine replacement and DTCs P1B06, P1B05, and P1AE2 are stored. CAUSE Inspection confirmed the high-voltage battery disconnect lever was broken during the disconnect procedure, leaving the interlock circuit open. CORRECTION Remove and replace the high-voltage battery disconnect lever, fully seat the interlock components, clear the DTCs, and verify the engine cranks.
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