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For 1990-2009 cars only

PTO Remote Start Inoperative - keywords control inop no off power program take

Subject:PTO Remote Start Inoperative

Models:2007 Chevrolet Silverado 3500 Chassis Cab
2007 GMC Sierra 3500 Chassis Cab
With RPO LMM and PTO



This PI Supercedes To Add Repair Info. Please Discard PIT4361.


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

Condition/Concern:

A condition exists where the PTO Remote Start Functionality is Inoperative on the above vehicles due to a calibration issue

Recommendation/Instructions:

The following Body Control Module (BCM) calibration part numbers have been released to correct this issue. Use the chart below to determine which calibration is needed and then contact Techline at 1-800-828-6860 to obtain the calibration.

w/ Upfitter Installed Mobile Variable Power Take-Off, w/ Remote Start* (RPO=PTO+AP3) for SERVICE ONLY - 25833663

w/ Upfitter Installed Stationary Variable Power Take-Off, w/ Remote Start* (RPO=PTO+AP3) SERVICE ONLY - 25880618

w/ Upfitter Installed Mobile Variable Power Take-Off, w/o Remote Start* (RPO=PTO-AP3) for SERVICE ONLY - 25833665

w/ Upfitter Installed Stationary Variable Power Take-Off, w/o Remote Start* (RPO=PTO-AP3) for SERVICE ONLY - 25880619

w/ Power Take-Off, w/o Remote Start* (RPO=PTO-AP3) (replaces BCM production calibration-25868164) - 25880620

w/ Power Take-Off, w/ Remote Start* (RPO=PTO+AP3) (replaces BCM production calibration-25868165) - 25880621

PTO Remote Engine Starting is available on all PTO equipped vehicles via dedicated wire in the upfitter connector and does not require the KEY FOB based REMOTE START feature (AP3). In addition to reprogramming the BCM, PTO Remote Starting must also be enabled via the Tech 2.

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.