JEEP
09-005-26
Manufacturer communications
- Publication date
- 2026-03-12
- Received by NHTSA
- 2026-03-18
- NHTSA record numbers
- 11030124
Manufacturer summary
Original wording in English
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.
• 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.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P0171-00System Too Lean (Bank 1)Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.