Home18-042-26 · JEEP
JEEP

18-042-26

Manufacturer communications

Publication date
2026-03-21
Received by NHTSA
2026-03-25
NHTSA record numbers
11030227 · 11030252

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• **P2AF6-00 - Dual Starter Relay Stuck (in active or stored status).
• P1CEA - Boost Side EVAP Purge System Performance (in active or stored status).
• P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected (in active or stored status).
• P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1 (in active or stored status).
• P0071-00 - Ambient Air Temperature Sensor Performance (in active or stored status).
• P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit (in active or stored status).
• P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low (in active or stored status).
• P0073-00 - Ambient Air Temperature Sensor Circuit "A" High (in active or stored status).
• P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or (in active or stored status).
• P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1 (in active or stored status).
• U0673-00 - Lost Communication With Ion Sense Module (in active or stored status).
• P05BD-00 - Stop-Start Mode Switch Range/Performance (in active or stored status).
• P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off (in active or stored status).
• P0116-00 - Engine Coolant Temperature Sensor 1 Performance (in active or stored status).
• P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking (in active or stored status).
• P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit (in active or stored status).
• P032A-00 - Knock - Combustion Vibration Sensor C Circuit (in active or stored status).
• P062B-00 - Internal Control Module Fuel Injector Control Performance (in active or stored status).
• P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance (in active or stored status).
• P00F3-00 - Humidity Sensor Circuit Range - Pe

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

JeepP018B-00
Fuel Pressure Sensor "B" Circuit Range/Performance (in active or stored status)

NHTSA 11030227

JeepP032A-00
Knock - Combustion Vibration Sensor C Circuit (in active or stored status)

NHTSA 11030227

JeepP062B-00
Internal Control Module Fuel Injector Control Performance (in active or stored status)

NHTSA 11030227

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
JeepGRAND WAGONEER2024
JeepWAGONEER2024

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