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2009 Cadillac Escalade Hybrid – No Crank With P0633 After Hybrid Repair

Aug 15
1 min read

CUSTOMER CONCERN

Vehicle will not crank after hybrid-system repair and DTC P0633 is stored.

CAUSE

The theft-deterrent system lost the required immobilizer identification during the repair.

CORRECTION

Perform the immobilizer relearn procedure.

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2009 Cadillac Escalade Hybrid – No Crank With P0633 After Hybrid Repair

CUSTOMER CONCERN

CAUSE

CORRECTION

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