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Service bulletins for the 2015 Ram Promaster City

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

280 on file from NHTSA, as of 2026-10-19.

About P0171 on the 2015 Ram Promaster City: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P0171 are shown. Show all

Bulletins, newest first
18-030-162022-10-24. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; BACK OVER PREVENTION. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · **P0456 - EVAP System Small Leak. · P0441 - EVAP Purge System Performance. · P0335 - Crankshaft Position Sensor Circuit. · P0133 - O2 Sensor 1/1 Slow Response. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality.** · P0506 - Idle Speed Performance Lower Than Expected. · P0507 - Idle Speed Performance Higher Than Expected. · U0402 - Implausible Data Received From TCM - (Transmission Control Module). · P0171 - Fuel System 1/1 Lean. · P050D - Cold Start Rough Idle. In addition, the following software enhancements are available: · Increased RPM on start up. · Reduced RPM when shifted into drive or reverse when cold.
18-063-172022-09-15. Service bulletin. POWER TRAIN. Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set:P0128 - Thermostat Rationality. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0171 - Fuel System 1/1 Lean. P0441 - EVAP Purge System Performance. P050D - Cold Start Rough Idle. P0133 - O2 Sensor 1/1 Slow Response. P0335 - Crankshaft Position Sensor Circuit. P0456 - EVAP System Small Leak. P0506 - Idle Speed Performance Lower Than Expected. P0507 - Idle Speed Performance Higher Than Expected. P1185 - General Pressure Sensor Correlation. P1607 - PCM Internal Shutdown Timer Rationality. P2610 - PCM Internal Engine Off Timer Performance. C0501 - Wheel Speed Signal Left Front Rationality. C0507 - Wheel Speed Signal Right Front Rationality. C050D - Wheel Speed Signal Left Rear Rationality. C0513 - Wheel Speed Signal Right Rear Rationality. U0402 - Implausible Data Received From TCM - (Transmission Control Module). In addition the following enhancements are included:Enhancements which allow the catalytic convertor to operate cooler. Enhancements to AC compressor clutch cycling. Increased RPM on start up. Reduced RPM when transmission is shifted into drive or reverse and cold.
18-048-152018-12-10. Service bulletin. EXTERIOR LIGHTING; ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the following symptoms below or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. ? Increased RPM on start up. ? Reduced RPM when shifted into drive or reverse when cold.
18-048-15 REVA2018-12-03. Service bulletin. POWER TRAIN. Flash: 2.4L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience the following symptoms below or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P0133 - O2 Sensor 1/1 Slow Response. ? P0506 - Idle Speed Performance Lower Than Expected. ? P0507 - Idle Speed Performance Higher Than Expected. ? U0402 - Implausible Data Received From TCM. ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. ? Increased RPM on start up. ? Reduced RPM when shifted into drive or reverse when cold.
18-030-162018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · **P0456 - EVAP System Small Leak. · P0441 - EVAP Purge System Performance. · P0335 - Crankshaft Position Sensor Circuit. · P0133 - O2 Sensor 1/1 Slow Response. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality.** · P0506 - Idle Speed Performance Lower Than Expected. · P0507 - Idle Speed Performance Higher Than Expected. · U0402 - Implausible Data Received From TCM - (Transmission Control Module). · P0171 - Fuel System 1/1 Lean. · P050D - Cold Start Rough Idle. In addition, the following software enhancements are available: · Increased RPM on start up. · Reduced RPM when shifted into drive or reverse when cold.
18-063-172018-06-04. Service bulletin. POWER TRAIN. Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set:P0128 - Thermostat Rationality. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0171 - Fuel System 1/1 Lean. P0441 - EVAP Purge System Performance. P050D - Cold Start Rough Idle. P0133 - O2 Sensor 1/1 Slow Response. P0335 - Crankshaft Position Sensor Circuit. P0456 - EVAP System Small Leak. P0506 - Idle Speed Performance Lower Than Expected. P0507 - Idle Speed Performance Higher Than Expected. P1185 - General Pressure Sensor Correlation. P1607 - PCM Internal Shutdown Timer Rationality. P2610 - PCM Internal Engine Off Timer Performance. C0501 - Wheel Speed Signal Left Front Rationality. C0507 - Wheel Speed Signal Right Front Rationality. C050D - Wheel Speed Signal Left Rear Rationality. C0513 - Wheel Speed Signal Right Rear Rationality. U0402 - Implausible Data Received From TCM - (Transmission Control Module). In addition the following enhancements are included:Enhancements which allow the catalytic convertor to operate cooler. Enhancements to AC compressor clutch cycling. Increased RPM on start up. Reduced RPM when transmission is shifted into drive or reverse and cold.
18-063-17 REV. A2017-11-03. Service bulletin. POWER TRAIN; ENGINE; ELECTRICAL SYSTEM. Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following DTCs have been set:U1424 - Implausible Engine Torque Signal Received. P1DD2-00 - Torque Request Signal From TCM Denied. U0402 - Implausible Data Received From TCM. P0128 - Thermostat Rationality. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0171 - Fuel System 1/1 Lean. P0441 - EVAP Purge System Performance. P050D - Cold Start Rough Idle. P0133 - O2 Sensor 1/1 Slow Response. P0335 - Crankshaft Position Sensor Circuit. P0456 - EVAP System Small Leak. P0506 - Idle Speed Performance Lower Than Expected. P0507 - Idle Speed Performance Higher Than Expected. P1185 - General Pressure Sensor Correlation. P1607 - PCM Internal Shutdown Timer Rationality. P2610 - PCM Internal Engine Off Timer Performance. C0501 - Wheel Speed Signal Left Front Rationality. C0507 - Wheel Speed Signal Right Front Rationality. C050D - Wheel Speed Signal Left Rear Rationality. C0513 - Wheel Speed Signal Right Rear Rationality. In addition the following enhancements are included:Enhancements which allow the catalytic convertor to operate cooler. Enhancements to AC compressor clutch cycling. Increased RPM on start up. Reduced RPM when transmission is shifted into drive or reverse and cold.
18-008-16 REV. B2017-11-03. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE; WHEELS. Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following DTCs have been set: · **P1185 - General Pressure Sensor Correlation.** · P0441 - EVAP Purge System Performance. · P0506 - Idle Speed Performance Lower Than Expected. · P0171 - Fuel System 1/1 Lean. · P050D - Cold Start Rough Idle. · P0507 - Idle Speed Performance Higher Than Expected. · U0402 - Implausible Data Received From TCM - (Transmission Control Module). · P1607 - PCM Internal Shutdown Timer Rationality. · P0335 - Crankshaft Position Sensor Circuit. · P0456 - EVAP System Small Leak. · P0133 - O2 Sensor 1/1 Slow Response. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · C0501 - Wheel Speed Signal Left Front Rationality. · C0507 - Wheel Speed Signal Right Front Rationality. · C050D - Wheel Speed Signal Left Rear Rationality. · C0513 - Wheel Speed Signal Right Rear Rationality. In addition the following enhancement are included: · Enhancements to AC compressor clutch cycling. · Increased RPM on start up. · Reduced RPM when shifted into drive or reverse when cold.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.