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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.
2010 Chevrolet Silverado 1500 Hybrid – No Crank With P1AE2, P1B05 and P1B06
CUSTOMER CONCERN Vehicle will not crank and stores DTCs P1AE2, P1B05 and P1B06. CAUSE The high-voltage interlock remained open because the manual-disconnect lever and sight shield were not fully seated. CORRECTION Correctly seat the high-voltage manual-disconnect lever and install the sight shield to close the interlock circuit.
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