NHTSA ID Number: 10241845
Manufacturer Communication Number: 07-221-23
Summary
This bulletin announces the repair procedures when corrosion is encountered within the instrument panel wiring harness and the rear wiring harness connectors.
NUMBER: 07-221-23
DATE: 08/31/23
| APPLICABILITY: | 2017-23MY Impreza 2018-23MY Crosstrek 2019-23MY Forester 2022MY WRX |
| SUBJECT: | Instrument Panel Wiring Harness & Rear Wiring Harness – Connector Corrosion |
INTRODUCTION:
This bulletin announces the repair procedures when corrosion is encountered within the instrument panel wiring harness and the rear wiring harness connectors. The corrosion is typically found in the footwell area as a result from moisture such as rain, snow, ice, and salt water being brought in from driver and/or passenger footwear. Corrosion in this area can cause multiple electrical malfunctions such as warning indicators and/or incorrect door position detection. If corrosion is found within this area(s), replace the affected wiring harness and perform the added procedure detailed below using the new repair kit. The purpose of the repair kit is to isolate the connections from any moisture damage.
PART INFORMATION:
There have been no changes to the wiring harnesses. The new repair kit and outlined procedures MUST be applied when replacing the affected harnesses for corrosion intrusion.
REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being repaired.
| Part Description | Part Number |
| REPAIR PARTS | 81990SJ01A |
SERVICE PROCEDURE / INFORMATION:
In PDF Bellow…
19 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
NUMBER: 07-221-23
DATE: 08/31/23
MC-10241845-0001.pdf 1716.437KB
- Good lubrication, excellent wear resistance, excellent pressure resistance, excellent oxidation (galvanic corrosion) protection, high dripping-point characteristics. Operating temperatures: -40oC to 260oC.
- Use copper particles when you require (conductivity) to assist in oxide and corrosion breakup and need good lubrication
- Use in areas that two contacts will not touch and possibly short. Example: disconnect switches or large connectors and relays.
- Perfect bundle for cleaning any type of electronics or musical instruments
- Includes spray for metal and plastic components
- 1 x D5S6, 5% spray, 5 oz and 1 x F5S-H6, 5% spray, 5 oz
- Chemically improves connections and contacts
- 1 each of DeoxIT and DeoxIT Gold
- Improves Conductivity, Maintains Optimum Signal Quality
- fast-acting deoxidizing solution that cleans, protects, lubricates and improves conductivity on all metal connectors and contacts.
- Prevents Dendrite and Fretting Corrosion, Protects Base Metals from Oxidation
- Forms Protective Anti-Tarnishing Layer
- BUILDS A LASTING SHIELD AGAINST RUST AND CORROSION: Forms a moisture-blocking dielectric barrier that molecularly bonds to metal surfaces and subsurfaces; perfect for protecting trailers, marine gear, or tools stored in salt-heavy, humid environments.
- DELIVERS LONG-LASTING, MARINE-GRADE LUBRICATION: Clings to metal like a magnet and resists pressure, friction, and washout; ideal for lubricating locks, hinges, cable pulleys, and marine components exposed to heavy loads, rain, salt spray, tidal moisture, or constant vibration on boats and coastal equipment.
- FREES RUSTED PARTS WITH DEEP PENETRATION: Industrial-strength penetrating oil releases corrosion on frozen bolts, marine fittings, and seized engine parts; penetrates to free up when other products fail in salty, humid, or wet environments on boats, farm tools, or machinery.
- PROTECTS ELECTRONICS AND PREVENTS GALVANIC CORROSION: Safe on circuits, battery terminals, and sensors, CorrosionX forms a dielectric film rated over 39,000 volts that displaces moisture and stops galvanic corrosion between dissimilar metals in harsh environments.
- QUALIFIED BY THE U.S. NAVY FOR ADVANCED MARINE CORROSION PROTECTION: Corrosion Technologies is the only manufacturer in the world with products — CorrosionX being the flagship — qualified under the Advanced Corrosion Preventive Compound military specification; protects outboards, terminals, and powerheads with a self-healing, moisture-blocking film.
- Enhances Conductivity & Offers Long-Lasting Protection: Gold, Base Metals, & Precious Metal Contacts
- Ideal for Critical Applications: Minimal Cleaning Action Required
- Complete Surface Coating: Protection Against Abrasion, Corrosion, Arcing, RFI, & Tarnishing
- Maximize Performance & Protection: Use on Connectors & Contacts
- Operating Temperature: -34C to 310C
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Bulletin Number: 07-221-23; Date: 08/31/23 Page 1 of 9 SERVICE BULLETIN Continued… CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS. Subaru Service Bulletins are intended for use by professional technicians ONLY. They are written to inform those technicians of conditions that may occur in some vehicles, or to provide information that could assist in the proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do the job correctly and safely. If a condition is described, DO NOT assume that this Service Bulletin applies to your vehicle, or that your vehicle will have that condition. Subaru of America, Inc. is ISO 14001 Compliant ISO 14001 is the international standard for excellence in Environmental Management Systems. Please recycle or dispose of automotive products in a manner that is friendly to our environment and in accordance with all local, state and federal laws and regulations. NUMBER: 07-221-23 DATE: 08/31/23 APPLICABILITY: 2017-23MY Impreza 2018-23MY Crosstrek 2019-23MY Forester 2022MY WRX SUBJECT: Instrument Panel Wiring Harness & Rear Wiring Harness – Connector Corrosion INTRODUCTION: This bulletin announces the repair procedures when corrosion is encountered within the instrument panel wiring harness and the rear wiring harness connectors. The corrosion is typically found in the footwell area as a result from moisture such as rain, snow, ice, and salt water being brought in from driver and/or passenger footwear. Corrosion in this area can cause multiple electrical malfunctions such as warning indicators and/or incorrect door position detection. If corrosion is found within this area(s), replace the affected wiring harness and perform the added procedure detailed below using the new repair kit. The purpose of the repair kit is to isolate the connections from any moisture damage. WIRING HARNESS DETAIL INFORMATION: ATTENTION: GENERAL MANAGER q PARTS MANAGER q CLAIMS PERSONNEL q SERVICE MANAGER q IMPORTANT – All Service Personnel Should Read and Initial in the boxes provided, right. ©2023 Subaru of America, Inc. All rights reserved. Bulletin Number: 07-221-23; Date: 08/31/23 Page 2 of 9 Continued… IMPORTANT: The left front door cord harness can only be affected on Forester models with seat memory. Bulletin Number: 07-221-23; Date: 08/31/23 Page 3 of 9 Continued… EXAMPLES OF CORROSION: PART INFORMATION: There have been no changes to the wiring harnesses. The new repair kit and outlined procedures MUST be applied when replacing the affected harnesses for corrosion intrusion. REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being repaired. Part Description Part Number REPAIR PARTS 81990SJ01A SERVICE PROCEDURE / INFORMATION: Perform the following inspection procedures if moisture is suspected to be present within the connectors of the instrument panel wiring harness, rear wiring harness, and/or left front door cord (Forester with seat memory ONLY). STEP 1: Remove the lower inner trim panel on the side of the vehicle with suspected corrosion. Expose the connections and confirm if corrosion is detected. NOTE: If a waterproof sheeting is installed, it must be removed for proper inspection. Bulletin Number: 07-221-23; Date: 08/31/23 Page 4 of 9 Continued… If corrosion is detected, the affected harnesses MUST be replaced. If no corrosion is found continue the vehicle diagnosis using the applicable Service Manual. STEP 2: Replace the affected wiring harness. The service procedures for instrument panel, left front door cord, and the rear harnesses remain unchanged. Always refer to the applicable Service Manual and review the full requirements of the repair being performed. The Service Manual procedures contain information critical to performing an effective repair the first time, every time. This includes but is not limited to important SAFETY precautions, proper inspection criteria, necessary special tools, required processes and related one-time-use parts needed for a complete and lasting repair. IMPORTANT: When replacing the instrument panel wiring harness, rear wiring harness, or left front door cord harness, take special care when handling the ground terminal. Bulletin Number: 07-221-23; Date: 08/31/23 Page 5 of 9 Continued… STEP 3: Remove the plastic connector holder. This holder will no longer be used. STEP 4: Clean and degrease the areas indicated in the image to the right. STEP 5: Installed the ground terminal to the vehicle body. Keep the terminal horizontal while torquing the bolt to 13Nm (9.5 ft-lbs.) then connect the lower connector. Bulletin Number: 07-221-23; Date: 08/31/23 Page 6 of 9 Continued… STEP 6: Using the large size waterproof sheet, remove half of the separator sheet and place the lower connector in the center of adhesive side. STEP 7: Completely remove the separator sheet and fold the waterproof sheet in half. Confirm the connector is fully covered and not exposed. CAUTION: CONFIRM the adhesive surfaced a firmly attached to each other in order to prevent any water intrusion. CONFIRM the exterior tape on the wiring harness is sealed and covered by the waterproof tape. a Waterproof Sheet Bulletin Number: 07-221-23; Date: 08/31/23 Page 7 of 9 Continued… STEP 8: Attach the connector to the body of the vehicle using the excess of the adhesive surface of the waterproof sheet. STEP 9: Using the mid size waterproof sheet and using the same sheet application method used in Step 6, cover the center connector with the waterproof sheet and adhere it to the vehicle body. Bulletin Number: 07-221-23; Date: 08/31/23 Page 8 of 9 Continued… STEP 10: Forester models with seat memory ONLY. Using the small size waterproof sheet and using the same sheet application method used in Step 6, cover the upper connector with the waterproof sheet and adhere it to the vehicle body. IMPORTANT: The connectors MUST be positioned on an even line with each other. DO NOT overlap the connectors. Improper connector alignment may cause interference with the interior trim components. Bulletin Number: 07-221-23; Date: 08/31/23 Page 9 of 9 WARRANTY / CLAIM INFORMATION: For vehicles within the Basic New Car Limited Warranty period or covered by an active Subaru Added Security Classic or Gold plan, this repair may be submitted using the following claim information: Labor Description Labor Operation # Repair Code Labor Time Model INSTRUMENT PANEL WIRING HARNESS AND REAR WIRING HARNESS R&R A880-207 VOJ-39 6.6 Impreza 17-23 6.6 Crosstrek 18-23 6.6 Forester 19-23 7.1 Forester 19-23 with power seat memory* 6.9 WRX 2022 IMPORTANT REMINDERS: • SOA strongly discourages the printing and/or local storage of service information as previously released information and electronic publications may be updated at any time. • Always check for any open recalls or campaigns anytime a vehicle is in for servicing. • Always refer to STIS for the latest service information before performing any repairs.
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