P0088 on Jeep vehicles Fuel rail pressure is above what the system commanded

A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.

Bulletins and campaigns Jeep filed with NHTSA whose summary names P0088. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

• 1810623 Service bulletin
  2023-11-01 · Electrical System
• Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) has been set: ? P0087 - Fuel Rail Pressure Too Low - Bank 1. ? P0088 - Fuel Rail Pressure Too High - Bank 1. This bulletin involves reprogramming the PCM wit
• 14-001-25 Service bulletin
  2025-01-25 · Fuel/Propulsion System
• "High pressure Fuel Pump Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087 - Sensor De Pressão Da Linha De Combustível - Banco 1 - Pressão Abaixo Do Limite ● P0088 - Sensor De Pressão Da Linha De Combustível - Banco 1 - Pressão Acima Do Limite ● P0089 - Sensor De Pressão D

A stored code names the test that failed, never the part that caused it. The record above is what Jeep and its owners have filed about it; the code’s page across every make has the whole file.