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NHTSA ID Number: 11023354

Manufacturer Communication Number: 101978

TSB/Document Date: 2025-09-26


Summary

The black and grey water holding tank may be wired in reverse as to read the level of the incorrect tank on the monitor panel.


TECHNICAL SERVICE BULLETIN
DEPARTMENT OF COMPLIANCE

VEHICLE SAFETY AND RECALL MANAGEMENT
PO Box 30
MIDDLEBURY, INDIANA 46540-9218

Technical Service Bulletin: 10-1978

,

O

Integrity

O

Safety

O

Quality

O

Customer Service
September 2025

Dear Forest RivereBay logo Customer:
Forest RivereBay logo is alerting you to an issue involving certain 2026 Flagstaff FLT25FBD & Rockwood RLT2522FB Travel
Trailers. Please see the information below, which describes the issue and provides you with details on the steps you
should take to have your vehicle repaired.
WHAT IS THE ISSUE?
The black and grey water holding tank may be wired in reverse as to read the level of the incorrect tank on the monitor
panel.
DEALERS: WHAT SHOULD YOU DO?
Remedy Instructions can be found on Dealer Connect.
CONTACT
CUSTOMER SERVICE

HELPFUL CONTACT INFORMATION:
PHONE
E-MAIL
(574) 642-8942 [email protected]
[email protected]

Repair Codes:
Pictures are required for the remedy and/or inspection after installation.
Pictures of the remedy are a condition of payment in which must be provided with a claim against the repair code(s).
DEALER REPAIR CODES: Dealer Connect
TSB NUMBER
REPAIR
CODE
10-1978
SB-386-05-11-004748
10-1978
SB-386-22-11-004749

DESCRIPTION
INSPECTION ONLY
INSPECTION AND REMEDY

ALLOWABLE
HOUR(S)
.10 HRS
1.0 HRS

Sincerely,
Forest RivereBay logo, Inc.
Office of Corporate Compliance

Page 1 of 1

TECHNICAL SERVICE BULLETIN 10-1978 REMEDY INSTRUCTIONS
Make(s): Flagstaff & Rockwood
Model(s): FLT25FBD & RLT2522FB
Model Year(s): 2026
Concern:
The black and grey water holding tank may
be wired in reverse as to read the level of
the incorrect tank on the monitor panel.

Repair Code: SB-386-22-11-004749
Allotted Time: 1.00 HRS.
Inspection Code: SB-386-05-11-004748
Allotted Time: .10 HRS.
Photo(s) Required: NO
Prior Authorization Required: YES
Part(s) Number: N/A
Part(s) Return: N/A

Turn off LP Gas at LPG Tank(s). Disconnect the vehicles’ battery Positive and Negative,
disconnect any House battery(s) Positive and Negative, if equipped with a generator
ensure it is off and lastly, ensure the vehicle is disconnected from shore power. Block any
tires/wheels to prevent the vehicle from rolling. Failure to do so may result in
electrocution, fire or other personal injury, property damage and/or death.
CERTAIN 2026 - FLAGSTAFF FLT25FBD VEHICLES
CERTAIN 2026 - ROCKWOOD RLT2522FB VEHICLES

PLEASE SEE THE ATTACHED FOR COMPLETE A COMPLETE REPAIR GUIDE
AFTER COMPLETING THE STEPS IN THE REPAIR GUIDE:
• CHECK FOR PROPER MONITOR PANEL FUNCTIONALITY;
• CLAIM THE APPROPRIATE REPAIR CODE.

Page 1 of 1

2522FB/25FBD Black & Grey
Tank Repair
The following are detailed instructions on how to rewire the black and
grey tanks so that they match what is displayed on the monitor panel.
Wires will be switched at the monitor panel instead of at the tanks. This
procedure can be completed in 1 hour including testing.

Tools
Required

 Screw Gun/Driver
 Square Head Bit

Step 1
 Open the front DS trunk door
 Remove the screws located on
the top and bottom of the décor
panel on the left to gain access
to the control box

Step 2
 Carefully pull back the panel
where you’ll find the control Box

Step 3
 Find where the tank wires are
attached to the controller and
confirm that the brown and grey
wires are reversed as shown

Step 4
 Reverse wires as shown

Step 5
Completion

 Reattach cover panel

1

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Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

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TSB/Document ID: 101978

Replacement Service Bulletin Number:

MFR Communication Date: 2025-09-24

MFR Internal Campaign ID/Software Version: 101978

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


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