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Adding PTO Option To A Vehicle Without The Option - keywords idle missing off power switch take up wiring

Subject: Adding PTO Option To A Vehicle Without The Option

Models:2007 Chevrolet Silverado
2007 GMC Sierra



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

Condition/Concern:

Some owners may request to add the PTO option to their vehicle when it is not equipped with the option. This option is available on 3500 Chassis Cab Models with the 6.6L Diesel engine only. The PTO option is now far more integrated with the vehicle than past models and utilizes the following:

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The body control module (BCM)

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The engine control module (ECM)

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The instrument panel cluster (IPC)

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The PTO gear

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The PTO mode select switch

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The power take off module (PTOM)

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The remote PTO enable switch

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The PTO relay

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The transmission control module (TCM)

Recommendation/Instructions:

Due to the PTO option being far more integrated with the vehicle it is NOT recommended to add this option to any vehicle not equipped with this option.

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.