Service bulletins for the 2020 Jeep Wrangler
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1020 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Wheel speed sensor are shown. Show all
| 9004311 | 2020-11-30. Service bulletin. WHEELS; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. SENSOR, Wheel Speed Please call FCA Redacted Content prior to replacing a rear wheel speed sensor for one of the following fault codes: C003A-1D and or 2F (right rear wss circuit current out of range or signal erratic) C0037-1D and or 2F (left rear wss circuit current out of range or signal erratic) If no response in 15 minutes, proceed with repair. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.