Jeep Wrangler 2021 — technical service bulletin
Bulletin 08-131-21 · NHTSA communication 10218554 · issued Aug 5, 2021
Technical service bulletin
communication type
Hybrid Propulsion System
component
2021
model years
1
vehicle entries
Official summary
Possible Water Intrusion at the P1 and P2 High Voltage (HV) Connectors This bulletin involves inspecting and if necessary replacement of the orange seal(s) for the P1&P2 electrical connectors. The customer states that vehicle will not start and has a check engine light on.The following Diagnostic Trouble Codes (DTCs) may be present:P1D72-00 - Open High Voltage Cable. P0A0A-00 - High Voltage System Interlock Circuit A. P0AA6-00 - Hybrid Battery Voltage System Isolation Fault.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.