PIP4482C: (Hybrid) Supplement To Generator Control Module (PIM) Cooling System Draining And Filling Procedure – keywords GCM inverter Power Replacement – 2008-2011 Cadillac Chevrolet GMC

#PIP4482C: (Hybrid) Supplement To Generator Control Module (PIM) Cooling System Draining And Filling Procedure – keywords GCM inverter power replacement – (Mar 7, 2016)

Subject: (Hybrid) Supplement To Generator Control Module (PIM) Cooling System Draining And Filling Procedure
Models: 2009-2011 Cadillac Escalade Hybrid
2008-2011 Chevrolet Silverado Hybrid, Tahoe Hybrid
2008-2011 GMC Sierra Hybrid, Yukon Hybrid

This PI was superseded to update model years. Please discard PIP4482C.


The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

 

Condition/Concern:

Two types of DEX-COOL® 50/50 Premix are available through GMSPO, one with bitterant and one without. Bitterant is a chemical that is added to products to make them smell or taste extremely bitter and is required in some states, such as California, Oregon, New Mexico, Colorado, and Vermont.

 

Recommendation/Instructions:

The part numbers are:

12378390  – DEX-COOL® 50/50 Premix WITHOUT bitterant (In Canada P/N 10953456, 3.78L)

88863460 – DEX-COOL® 50/50 Premix WITH bitterant (Not Available In Canada)

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.


 

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