Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Signal Audio – 2019-2020 Cadillac Chevrolet GMC

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Subject: Engineering Information – Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes
and/or Turn Signal Audio
Attention: Proceed with this EI ONLY if the customer has commented about this concern AND the PIE number is listed in the
Global Warranty Management / Investigate History link (GWM/IVH). If the customer has not commented about this
condition or the EI does not show in GWM/IVH, disregard the PI and proceed with diagnostics found in published
service information. THIS IS NOT A RECALL — refer to Service Bulletin 04-00-89-053 for more details on the use of
Engineering Information bulletins.
This PIE has been revised to updated information in the Correction. Please discard PIE0554A.
Brand: Model: Model Year: VIN: Engine: Transmission:
from to from to
Cadillac Escalade Models 2020 Chevrolet
Silverado LD
2019
Silverado 2500/3500
Suburban
Tahoe
2019
2020
– – – –
GMC
Sierra Limited
2019
Sierra 2500/3500
Yukon Models
2020
Involved Region or Country North America
Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI.
Some customers may comment on one or more of the following conditions.
• Instrument panel cluster (IPC) gages at zero.
• Multiple warning messages on the Driver’s Information Center on the IPC.
• Multiple warning lights on the (IPC).
• No gear indication on the PRNDL.
• No turn signal audio or indicator on the IPC, but external signals function.
• Radio stays on when door is opened.
Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to
gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be
used to “root cause” the customer’s concern and develop/validate a field fix.
Correction
If you encounter a vehicle with the above concern, the dealership service writer needs to ask the customer if the malfunction began at startup or while driving then
verify that ALL symptoms are occurring BEFORE installing the battery saver or charger to assure battery does not go dead then call the engineer listed below.
Contact Information
1
Please include the following information if leaving a message:
– Technician name
– Dealer name and phone number
– Complete VIN and repair order (R.O) number
On the repair order, document the date and time the call was placed (even if the engineer was not reached).
If engineering is unable to return the call within one hour, proceed with diagnosis and repair based on information found in SI.
Warranty Information
If engineer was contacted or required information was provided, use:
Labor Operation Description Labor Time
3486998* Engineering Information – Instrument Panel Cluster Gages at Zero, Multiple
Warning Lights On, No Chimes
0.4 hr
* This is a unique labor operation for bulletin use only.
Version 3
Modified Released February 13, 2020
Revised March 05, 2020 – Updated the Correction information for Steps 1, 2,4 and 4.1.
Revised June 02, 2020 – Updated information in the Correction.
2
The Contact Information has been redacted.

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