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2009 Cadillac Escalade Hybrid – Throttle Codes P0121 and P2135

Aug 15
1 min read

CUSTOMER CONCERN

DTCs P0121 and P2135 are stored for the electronic throttle-control system.

CAUSE

Throttle-body connector and circuit testing confirmed an internal failure of the throttle-body assembly.

CORRECTION

Remove and replace the failed throttle-body assembly.

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2009 Cadillac Escalade Hybrid – Throttle Codes P0121 and P2135

CUSTOMER CONCERN

CAUSE

CORRECTION

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