WenmarOpen by Wenmar Pro

P0171 on the 2025 Jeep Compass

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0171
09-005-262026-03-18. Service bulletin. Not applicable to vehicles built for US market. Methanol In Fuel - Diagnostic Trouble Code (DTC) P0171 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0171-00 - System Too Lean (Bank 1). Customers can also experience one or more of the following: ● Engine misfire. ● Rough engine idle. ● Difficulty starting engine. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
18-083-252025-10-08. Service bulletin. Not applicable to vehicles built for US market. Flash: Powertrain Control Module (PCM) Updates *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): ● P0032-00 - Comando Do Aquecedor De Sonda Lambda Pré-catalisador - Circuito Alto. ● P0133-00 - Sonda Lambda Pré-catalisador - Resposta Lenta. ● P0171-00 - Sonda Lambda Pré-catalisador - Mistura Pobre. Customers may comment on one or more of the following: ● Engine power loss. ● Engine acceleration cuts out at times. This bulletin involves possibly replacing the upstream oxygen sensor and reprogramming the PCM with the latest available software
18-043-25 REV. A2025-07-23. Service bulletin. NOTE: Does not apply to vehicles built for US Market. Flash: Powertrain Control Module (PCM) Updates 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): ● P0032-00 - Comando Do Aquecedor De Sonda Lambda Pré-catalisador - Circuito Alto. ● P0133-00 - Sonda Lambda Pré-catalisador - Resposta Lenta. ● P0171-00 - Sonda Lambda Pré-catalisador - Mistura Pobre. Customers may comment on one or more of the following: ● Engine power loss. ● Engine acceleration cuts out at times. This bulletin involves possibly replacing the upstream oxygen sensor and reprogramming the PCM with the latest available software.
18-043-252025-07-09. Service bulletin. NOTE: Not applicable to vehicles built for US Market. Flash: Powertrain Control Module (PCM) Updates 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): ● P0032-00 - Comando Do Aquecedor De Sonda Lambda Pré-catalisador - Circuito Alto. ● P0133-00 - Sonda Lambda Pré-catalisador - Resposta Lenta. ● P0171-00 - Sonda Lambda Pré-catalisador - Mistura Pobre. Customers may comment on one or more of the following: ● Engine power loss. ● Engine acceleration cuts out at times. This bulletin involves reprogramming the PCM with the latest available software and possibly replacing the upstream oxygen sensor.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.