PIC6149A

Bulletin No.: PIC6149A
Date: Jan-2017
Subject:
Diagnostic Tip - Service Keyless Start Message
Models:
2012-2015 Chevrolet Cruze
2016 Chevrolet Cruze Limited
Equipped with Passive Entry/Start (RPO BTM)
This PI was superseded to update Model Years. Please discard PIC6149.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
A Technician may be diagnosing an intermittent concern for Service Keyless Start message displayed in the DIC. DTC B3124 may be found related to the Rear
Compartment Antenna.
Recommendation/Instructions
Field reports have found 2 issues that may cause this DTC.
1.
Objects in the trunk may block the reception of the Rear Compartment Antenna. Verify the trunk is free of large metal objects before performing any
diagnostics. Secure any metal objects away from this antenna.
2.
Rear compartment antenna can be installed upside down. Inspect for correct installation of antenna.
Image 1 is correctly installed
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Image 2 is incorrectly installed
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Refer to the Ignition Lock Key Transmitter Antenna Replacement - Rear Compartment section of SI to assist with the correct location for the rear compartment
antenna.
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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