N222386050 Left Side B-Pillar Wire Harness Fire – 2003-2023 Chevrolet Express & GMC Savana Cutaway

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April 6, 2023 NHTSA CAMPAIGN NUMBER: 23V247000

Rear HVAC Electrical Circuit May Overheat

An overheated electrical circuit increases the risk of a fire.

 

NHTSA Campaign Number: 23V247

Manufacturer General Motors, LLC

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 149,028

 

Summary

General Motors, LLC (GM) is recalling certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles equipped with wiring for an optional rear heating, ventilation, and air-conditioning (HVAC) system. When the HVAC blower motor circuit is left unused with exposed connectors and wiring, the circuit can corrode and overheat.

 

Remedy

Dealers will properly seal the rear HVAC blower motor circuits at the left side B-pillar, free of charge. Owner notification letters were mailed May 2, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GMC’s number for this recall is N222386050.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Vehicle has a Recall

 


Safety Recall
N222386050 Left Side B-Pillar Wire Harness Fire

Release Date: April 2023
Revision: 01

 

Condition

General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles. These vehicles are equipped with an unused circuit that a final-stage manufacturer may elect to use to install an optional rear HVAC system. If the final-stage manufacturer leaves the circuit’s connectors or cut wires unsealed, exposure to moisture or contamination may, over time, cause corrosion. In rare cases, this could result in high current draw through the circuit at the vehicles’ lower left side B-pillar. Unintended release of excessive heat from the circuit may pose a risk of a vehicle fire and increase the risk of injury.

 

Correction

The rear HVAC blower motor circuit(s) at the left side B-pillar will be properly sealed to prevent moisture exposure.

 

Parts

Quantity Part Name Part No.
As Required TE Connectivity ES-CAP-NO.2-B9-0-30MM **
As Required Yellow DuraSeal Splice Sleeves (Pkg of 10)* 19300091 N222386050 Left Side B-Pillar Wire Harness Fire - 2003-2023 Chevrolet Express & GMC Savana Cutaway | small light

** Paste ESCAPNO.2B9030MM : RAYCHEM Splice Sealing End Cap(ESCap) | TE Connectivity

into your browser. This will link to the supplier site for ordering the required parts. If the above caps are not available, a locally sourced cap may be used. It must be a dual wall adhesive lined shrink cap with a minimum 5.7mm ID in preshrunk configuration.

* The 19300091-splice sleeve may be in limited supply from CCA. Alternate GM Part numbers #12355056 and #19168448 are previous numbers for the same part and can be used for this repair. A/C Delco #16-7530 is also an acceptable alternative part. These alternate part numbers are available from aftermarket suppliers, do not attempt to order them from CCA.

If there is no availability of the above listed GM parts, a locally sourced splice sleeve meeting the following specification can be used.

  • Wire size: 12-10 AWG
  • Insulation Sleeve: Heat shrinkable nylon with a hot melt adhesive lining
  • Crimp Barrel: Tin-plated copper alloy

 

Service Procedure

1. If the vehicle is equipped with a power driver seat, position the seat in the forward most position. 2. Disconnect the Battery. Refer to Battery Negative Cable Disconnection and Connection in SI.

NOTE: Depending on the upfitter build configuration, the driver seat may need to be removed. 3. Remove the left lower pillar garnish molding. Refer to Lower Pillar Garnish Molding Replacement in SI.

 

4. Locate the wire bundle positioned below the driver side seat belt retractor.

 

5. Identify the Rear HVAC Blower two wire circuit, RED/WHITE Tracer and BLACK.

CAUTION: The below steps are for rear HVAC blower circuits that are not being used (terminated leads). If the
circuit is in use, proceed to the REAR HVAC BLOWER CIRCUIT CONNECTOR REMOVAL section.

 

• This circuit may have a connector attached. If a connector is present, cut the connector off 25mm (1.0 in.) from
the connector housing (1) and discard. Proceed to step six.

• If the circuit is wrapped in electrical tape only, cut the wires 25mm (1.0 in.) from the end. Proceed to step six.
TIP: Use a sewing seam ripper, available from sewing supply stores, in order to cut open the harness in order to avoid
wire insulation damage.

6. Remove 50mm (2.0 in.) of the wire harness wrap.

 

7. Install two of the specified wire caps on the individual RED/WHITE Tracer and BLACK wires. Apply heat to shrink
the two caps as required

 

8. Inspect for the installation of a secondary two wire circuit of the same gauge wires with a RED/BLACK Tracer and
BROWN wires.

9. If the second circuit is installed, remove the wire harness wrap, trim the wire length, and cap the wires as described
above.

 

10. Using electrical tape, bundle the wires as shown.

 

11. Neatly tuck the bundle under the seatbelt retractor as shown to prevent interference with the garnish molding.

12. Reinstall the left lower pillar garnish molding. Refer to Lower Pillar Garnish Molding Replacement in SI. Reinstall the
driver seat if previously removed.

13. Reconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in SI.

 

REAR HVAC BLOWER CIRCUIT CONNECTOR REMOVAL

1. If the Rear HVAC Blower two wire circuit RED/WHITE Tracer and BLACK is being used, the plug connectors must
be removed, and the connection be made with DuraSeal Splice Sleeves.

2. Carefully inspect the wires for corrosion.

3. Refer to Wire to Wire Repair in SI.

 

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Frequently Asked Questions (FAQs) for Safety Recall N222386050
Left Side B-Pillar Wire Harness Fire

These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety Recall identified above.

Q1) Which vehicles are involved?

A1) General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles.

 

Q2) What is the issue or condition?

A2) These vehicles are equipped with an unused circuit that a final-stage manufacturer may elect to use to install an optional rear HVAC system. If the final-stage manufacturer leaves the circuit’s connectors or cut wires unsealed, exposure to moisture or contamination may, over time, cause corrosion. In rare cases, this could result in high current draw through the circuit at the vehicles’ lower left side B-pillar.

 

Q3) What symptoms may be experienced? What warning signs may be associated with the issue or condition described?

A3) None.

 

Q4) What is the remedy/repair?

A4) The rear HVAC blower motor circuit(s) at the left side B-pillar will be properly sealed to prevent moisture exposure.

 

Q5) What is the safety risk? Is the vehicle safe to drive?

A5) Unintended release of excessive heat from the circuit may pose a risk of a vehicle fire and increase the risk of injury.

 

Q6) Does the customer have to pay for this remedy/repair?

A6) No, this inspection/repair will be done at no cost to the customer.

 

Q7) Is the remedy/repair available now?

A7) Yes, please see the attached bulletin for details.

 

Q8) What should customers do until recall repairs can be completed? Are there any special instructions?

A8) If special instructions are provided, they will be included in the notification letters to customers.

 

Q9) How can customers check to see if their vehicle is involved in this field action?

A9) Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/.

 

Q10) If customers are concerned, can they get a rental car or courtesy transportation?

A10) Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall. Please refer to Warranty Administration Bulletin #17-NA-073: Field Action Courtesy Transportation Policy for further information.

 


Chronology :

On December 6, 2022, GM opened a product investigation to investigate two alleged fire incidents involving 2013 and 2014 Chevrolet Express Cutaway incomplete vehicles.

Between January 12, 2023, and March 27, 2023, GM’s investigator analyzed vehicle inspection reports from the two subject vehicles and retrieved and analyzed field data for all Express Cutaway and GMC Savana Cutaway (which shares a design with the Express) sold for model years 2005 through 2023, comprising approximately 167,000 units. Analysis of the field data, including legal claims, identified a total of eight potentially related complaints, six of which alleged fires. GM was provided notice of those fires on: 06/08/2018, 05/13/2019, 06/20/2019 (two incidents), 12/01/2020, and 12/12/2022.

GM’s investigation determined that an unsealed rear HVAC blower motor circuit could corrode over time, which in rare cases could cause excessive heat in the circuit that could lead to a fire. On March 30, 2023, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall. GM is not aware of any accidents or injuries associated with this condition. 2003 and 2004 model year vehicles use the same wiring design and are included in the recall population. On August 10, 2023, GM determined that an additional 1967 vehicles were not properly contained and also need to be recalled. 1793 of those vehicles are in the US.

 


42 Affected Products

Vehicles

MAKE MODEL YEAR
CHEVROLET EXPRESS CUTAWAY VAN 2003-2023
GMC SAVANA 2003-2023

 


16 Associated Documents

Recall Acknowledgement

RCAK-23V247-9417.pdf 645.377KB

 


Defect Notice 573 Report

RCLRPT-23V247-3522.PDF 214.517KB

 


Manufacturer Notices(to Dealers,etc – Dealer Message re N222386050 – Safety Recall Left Side B-Pillar Wire Harness Fire

RCMN-23V247-5985.pdf 10.944KB

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Remedy Instructions and TSB

RCRIT-23V247-9927.pdf 263.131KB

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Remedy Instructions and TSB

RCRIT-23V247-5699.pdf 281.988KB

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Manufacturer Notices(to Dealers,etc) – Dealer Message re REVISION: N222386050-01 – Safety Recall Left Side B-Pillar Wire Harness Fire Customer Letter Added

RCMN-23V247-4803.pdf 56.289KB

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Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire

RMISC-23V247-0005.pdf 99.142KB

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Recall 573 Report – 5/2/23

RCLRPT-23V247-8190.PDF 214.517KB

 


Recall 573 Report – 5/2/23

RCLRPT-23V247-2122.PDF 214.517KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-23V247-8643.pdf 82.724KB

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Recall Quarterly Report #1, 2023-2

RCLQRT-23V247-7753.PDF 211.154KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-23V247-4416.pdf 140.282KB

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Recall 573 Report – 8/17/23

RCLRPT-23V247-6449.PDF 214.58KB

 


Recall Quarterly Report #2, 2023-3

RCLQRT-23V247-4760.PDF 211.4KB

 


Recall Quarterly Report #3, 2023-4

RCLQRT-23V247-1388.PDF 211.495KB

 


Recall Quarterly Report #4, 2024-1

RCLQRT-23V247-6979.PDF 211.601KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V247&docType=RCL

 


 

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