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April 20, 2022 Service bulletin

Element

Jeep technical service bulletin 9004421 for 2021 Jeep Grand Cherokee and 2022 Jeep Grand Cherokee 4xe.

Bulletin number
9004421
Component
Electrical system: seat heater: mat
Summary
ELEMENT, Heated Seat Before deciding to replace the heater mat, please check heater mat resistances at the pigtail: - Between pin 1-4: (1.63 to 1.99 Ohms) - Between pin 2-3: (9kOhms - 11 kOhm) Also, check heater mat connection to seat harness. For WL (Grand Cherokee L and Grand Cherokee) equipped with this heater mat that require replacement. DO NOT tear off the heater mat from the foam cushion, instead the whole foam-heater mat assembly must be replaced. Please send back heater mat to Quality team at Stellantis. In case of questions please contact: FCA Redacted Content

Owners of these vehicles have filed 159 complaints in the electrical category.

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