PIT5869

Service Bulletin Details

Public Details for: PIT5869

This preliminary information communicates an issues with an ses mil, a/c blowing warm air and dtc'sB1AA3 U3018 U3505 due to fuse f4dr open. Dealers are to inspect the wiring in the front floor console.


- 2022 - 2021 -

Bulletin No.: PIT5869
Published date: 11/29/2021
Preliminary Information
PIT5869 SES MIL / AC Blows Warm Air / Fuse F4DR Open / DTC B1AA3
U3018 U3505
Models
Brand:
Model:
Model Years:
VIN:
from
Engine:
to
Transmissions:
Cadillac
Escalade Models
2021 - 2022
All
All
All
All
Chevrolet
Suburban
2021 - 2022
All
All
All
All
Chevrolet
Tahoe
2021 - 2022
All
All
All
All
GMC
Yukon Models
2021 - 2022
All
All
All
All
Involved Region or Country North America
Some customers may comment on the following symptoms:
Condition
Cause
- SES MIL
- A/C blows warm air
- DTC's B1AA3 U3018 U3505
- Fuse F4DR open
The cause of these concerns could be circuit 4786, to the Front Floor Console Compartment Lamp,
shorting out, opening the BCM 2 fuse F4DR.
Correction:
If a root cause is not found after following normal SI diagnostics, then gain access to the front oor console lid hinge area to
inspect the wiring for the console compartment lamp, see below. In some cases, the two circuits to the compartment lamp will
be broken and shorted together, as shown. Repair/Replace any damaged circuits following normal SI wiring repairs.
Warranty Information
For wiring repairs covered under warranty, please refer to latest version of bulletin 10-00-89-005 for warranty information on
wire/connector repairs.
Version History
Version
Modi ed
1
11/29/2021 - Creatd on.
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