P0171 on the 2026 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.
| 09-005-26 | 2026-03-18. 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. |
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| 18-084-25 | 2025-10-08. 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 |
| 18-044-25 REV. B | 2025-10-02. Service bulletin. Not applicable to vehicles built for US market. Flash: Powertrain Control Module (PCM) Updates ustomers 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. |
| 18-044-25 REV. A | 2025-07-23. 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. |
| 18-044-25 | 2025-07-09. 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. This bulletin involves reprogramming the PCM with the latest available software and possibly replacing the upstream oxygen sensor. |
5 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.