NHTSA ID Number: 10192038
Manufacturer Communication Number: 21NA073
Summary
This technical bulletin provides a procedure to replace the steering gear if found the cause of the customers concern.
6 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
CADILLAC | ESCALADE | 2021 |
| CADILLAC | ESCALADE ESV | 2021 |
| CHEVROLET | SUBURBAN | 2021 |
| CHEVROLET | TAHOE | 2021 |
| GMC | YUKON | 2021 |
| GMC | YUKON XL | 2021 |
Condition
Some customers may comment on loss of steering.
Some technicians my find DTC U3000– 49 (Control Module – Internal Malfunction) set in the Power Steering Module.
Cause
This condition may be caused by internal steering gear failure.
Correction
Replace the steering gear.
Service Information
Refer to Electric Belt Drive Rack and Pinion Steering Gear Replacement in SI.
Parts Information
| Description | Part Number | Qty |
| GEAR, ELEC BELT DRIVE RACK PINION STRG | 85113639 | 1 |
SEOCONTENT-START
Service Bulletin Bulletin No.: 21-NA-073
Date: March, 2021
TECHNICAL
Subject: Loss of Steering Assist – DTC U3000-49 Set
Brand: Model:
Model Year: VIN: Engine: Transmission:
from to from to
Cadillac Escalade
Chevrolet 2021 2021
Suburban
Tahoe
GMC Yukon
Involved Region or Country North America
Condition
Some customers may comment on loss of steering.
Some technicians my find DTC U3000– 49 (Control Module – Internal Malfunction) set in
the Power Steering Module.
Cause This condition may be caused by internal steering gear failure.
Correction Replace the steering gear.
Service Information
Refer to Electric Belt Drive Rack and Pinion Steering
Gear Replacement in SI.
Parts Information
Note: Only select the parts the coincide with the repair
performed.
Causal
Part Description Part
Number Qty
X
GEAR, ELEC
BELT DRIVE
RACK
PINION STRG
85113639
1
85113640
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Description Labor Time
7421770 Electric Belt Drive Rack and Pinion Steering Gear
Replacement
Use Published Labor
Operation Time
Version 1
Modified Released March 24, 2021
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-073
Date: March, 2021
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