# 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

- [11030124](https://open.wenmarpro.com/bulletins/11030124), 2026-03-18: 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.
- [11024050](https://open.wenmarpro.com/bulletins/11024050), 2025-10-08: 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
- [11020833](https://open.wenmarpro.com/bulletins/11020833), 2025-07-23: 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.
- [11020626](https://open.wenmarpro.com/bulletins/11020626), 2025-07-09: 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.