V2005 – Positive Battery Cable To Starter Too Long – 2020 Isuzu NPR-HD

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IMPORTANT SAFETY RECALL
POSITIVE BATTERY CABLE ADJUSTMENT – 20V-720
 Certain 2020MY N-Series Crew Cab Vehicles with Gasoline
Engines 6.6 L8T (see VIN list)
This bulletin supersedes service bulletin CB20-N-004. This bulletin is being revised
to include the sample US owner letter. Please discard previous bulletin CB20-N-004.
AFFECTED VEHICLES
INFORMATION
IMPORTANT SERVICE
INFORMATION FOR:
 SERVICE MANAGER
 SERVICE ADVISOR
 TECHNICIAN
 PARTS DEPARTMENT
 WARRANTY PERSONNEL
BULLETIN NUMBER:
CB20-N-004A
ISSUE DATE:
DECEMBER 2020
GROUP:
ELECTRICAL
CV
VEHICLES INVOLVED
Certain 2020MY N-Series crew cab vehicles with gasoline engines 6.6 L8T. See below affected
VINs.
54DC4J1D0LS207212 54DC4J1D3LS207284 54DC4J1D5LS207660
54DC4J1D0LS207288 54DC4J1D3LS207611 54DC4J1D6LS207781
54DC4J1D0LS207811 54DC4J1D3LS207639 54DC4J1D7LS207286
54DC4J1D1LS207283 54DC4J1D3LS207642 54DC4J1D8LS207216
54DC4J1D1LS207607 54DC4J1D3LS207737 54DC4J1D8LS207815
54DC4J1D1LS207610 54DC4J1D4LS207214 54DC4J1D9LS207211
54DC4J1D1LS207638 54DC4J1D4LS207813 54DC4J1D9LS207287
54DC4J1D1LS207641 54DC4J1D5LS207285 54DC4J1DXLS207783
54DC4J1D1LS207784 54DC4J1D5LS207609 54DC4J1DXLS207816
54DC4J1D2LS207213 54DC4J1D5LS207612
Important: Dealers are to confirm vehicle eligibility prior to beginning repairs by using IVIS
(Isuzu Vehicle Information System).
For dealers with involved vehicles, an assigned vehicle report containing the complete vehicle
identification numbers has been provided. Dealers will not have a report available if they have
no involved vehicles currently assigned.
Figure 9
7. Proceed to Applying the Campaign Label.
Good
No Good
APPLYING THE CAMPAIGN LABEL
8. Using a ball-point pen, fill in a campaign label (Part No. 2-90028-700-0) with Campaign
Number 20V-720, Isuzu dealer code, and repair date.
9. Affix the campaign label onto the driver’s side B-pillar.
Refer to the Isuzu ICS Claims Processing Manual for details on Campaign Claim Submission.
Submit only one claim as indicated below.
Labor
Operation Code
Description Labor Time
V2005 Positive Battery Cable Adjustment 0.3
*Includes 0.1 hours for administrative allowance.
DEALER RESPONSIBILITY
Dealers are to service all vehicles subject to this campaign at no charge to customers, regardless
of mileage, age of the vehicle, or ownership. Customers who have recently purchased vehicles
sold from your vehicle inventory, and for which there is no customer information indicated on the
dealer listing, are to be contacted by the dealer. Arrangements are to be made to perform the
required correction according to the instructions contained in this bulletin. Program follow-up
cards should not be used for this purpose, since the customers may not as yet have received
the notification letter.
In summary, whenever a vehicle subject to this campaign enters your vehicle inventory, or is in
your dealership for service, you must take the steps necessary to ensure the recall remedy has
been implemented before selling or releasing the vehicle.
Important:
As required by Federal law, dealers are not to deliver any new vehicle in their inventory, which
is covered by a Safety Recall, until the necessary remedy has been performed.
Dealers are to confirm vehicle eligibility prior to beginning repairs by using IVIS (Isuzu Vehicle
Information System). Not all vehicles may be involved.
OWNER NOTIFICATION
The sample recall letter that will be sent to owners of affected vehicles already retailed in the
United States is attached below.
CLAIM INFORMATION
[SAMPLE OWNER LETTER – US]
IMPORTANT SAFETY RECALL
NHTSA Recall 20V-720
This notice applies to your vehicle, <VIN>
DECEMBER 2020
Dear Customer,
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Your vehicle
<VIN> 2020 model year Isuzu N-Series is involved in safety recall NHTSA 20V-720.
WHAT IS THE CONDITION?
Isuzu Motors Limited has decided that a defect, which relates to motor vehicle safety, exists in certain 2020MY NSeries
crew cab vehicles with 6.6L gasoline engines. In the subject vehicles, the positive cable connecting the
battery to the starter was too long. Depending on the installation positioning, the cable may be routed too close to
the right-side exhaust pipe. Over time, heat from the exhaust pipe may cause the conduit and insulation to deteriorate,
which may expose the wires and lead to the potential for a short circuit. Exposed wires could corrode and/or short
circuit, resulting in a no-start condition or a thermal event, increasing the risk of a crash or fire.
WHAT WE WILL DO
Isuzu dealers will adjust the positive cable away from the exhaust pipe. This service will be performed free of
charge.
WHAT YOU SHOULD DO
We recommend that you contact your Isuzu dealer to schedule an appointment. Although not necessary, please
present this Owner Notification Letter at the time of your appointment or refer to Campaign Service Bulletin CB20-
N-004A. We estimate that the repair may take up to 18 minutes to perform. However, additional time may be
necessary due to the dealer’s schedule. To locate the nearest Isuzu dealer you can visit our website at
www.isuzucv.com or contact our Customer Relations Department at the number listed below.
Isuzu Commercial Truck of America
Customer Relations
1-866-441-9638
If you have any difficulty having this recall performed, we recommend that you call Isuzu customer relations at 1-
866-441-9638. If you are still not satisfied that we have remedied this situation without charge, and within a
reasonable amount of time, you may wish to write to the Administrator of the National Highway Traffic Safety
Administration, 1200 New Jersey Avenue, SE, Washington DC 20590, or call the agency’s toll-free Vehicle Safety
Hotline at 1-888-327-4236 (TTY: 1-800-424-9153), or go to www.nhtsa.gov.
We regret any inconvenience which this action may cause you.
Sincerely,
Isuzu Commercial Truck of America, Inc.
Important: If you have sold or traded your Isuzu vehicle, please enter the owner’s name and address, if known, on the attached “Change
of Information” postcard, tear off at both perforations, and drop it in the mail. Postage has already been paid. We will contact the new
owner.
Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Lessor means a person or entity that is the owner, as reflected on the vehicle title, of any five or more leased vehicles.

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