PIP5279A

Bulletin No.: PIP5279A
Date: Aug-2015
Subject:
SES Lamp With Fuel Rail Pressure Codes
Models:
2016 Cadillac CTS-V
2015-2016 Cadillac Escalade
2014-2016 Chevrolet Corvette
2014-2016 Chevrolet Silverado 1500 Suburban, Tahoe
2014-2016 GMC Sierra 1500 Yukon Yukon XL
Built with RPO's 4.3L 5.3L 6.2L L83 L86 LT1 LT4 LV3
This PI was superseded to update Model Years and Models. Please discard PIP5279.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
A vehicle may have a customer concern of an SES lamp with fuel rail pressure sensor codes
On investigation there may be any of the following codes P0089, p127C, P127D, P0192, P0193. P228C, P228D and P006C
Recommendation/Instructions
Follow published Si diagnostics for the DTC's that have set, if it is inconclusive replace the FRPS (fuel rail pressure sensor).
Operate the vehicle under the condition for setting the DTC’s if possible to determine if the codes reset.
Warranty Information
For vehicles repaired under warranty use:
Labor Operation
Description
Labor Time
4022490
Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement
Use Published Labor Operation Time
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.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may
occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools,
safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that
your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
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