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2017 Ram 2500 Laramie Limited 6.7L Excessive Emissions, Hesitation, MIL Lamp on
Posted to Chrysler Driveability on 10/13/2025 1 Reply

The truck came in with a large coolant leak; we noticed the CEL and low power on acceleration. The customer stated two shops already looked at the issue and did not fix it. The first two codes were the U1449 and P0471. The codes were cleared. The truck wil...

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car Vehicle Data

2017 Ram 2500 Laramie Limited

VIN 3C6UR5FL0H
Engine6.7 L / 6 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, MIL Lamp On
OccursIntermittent

Trouble Codes

P1471Exhaust pressure sensor 1 performance.
P242FDiesel Particulate Filter Restriction - Ash Accumulation
P2463Diesel Particulate Filter - Soot Accumulation
U1449ERS invalid.
Open Help Request

car Vehicle Data

2017 Ram 2500 Laramie Limited

VIN 3C6UR5FL0H
Engine6.7 L / 6 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, MIL Lamp On
OccursIntermittent

Trouble Codes

P1471Exhaust pressure sensor 1 performance.
P242FDiesel Particulate Filter Restriction - Ash Accumulation
P2463Diesel Particulate Filter - Soot Accumulation
U1449ERS invalid.