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1802423

Manufacturer communications

Publication date
2023-05-24
Received by NHTSA
2023-07-31
NHTSA record numbers
10239971

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ? **P0299 - Turbocharger Underboost.** ? P061B - Internal Control Module Torque Calculation Performance. ? P0755 - Shift Solenoid B (DG7 Only). ? P0765 - Shift Solenoid D (DG7 Only). ? P0401 - EGR System Performance. ? P0755 - 2C Solenoid Circuit. ? P0765 - UD Solenoid Circuit. ? P244A - Diesel Particulate Filter Differential Pressure Too Low. ? P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. ? P242F - Diesel Particulate Filter Restriction - Ash Accumulation. ? P1451 - Diesel Particulate Filter System Performance. ? P2463 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ? P0607-00 - ECU Internal Performance. ? P0299-00 - Turbocharger Underboost. ? P1451-00 - Diesel Particulate Filter System Performance (Sales Code ETL Only).

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

RamP1451-00
Diesel Particulate Filter System Performance (Sales Code ETL Only)

NHTSA 10239971

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
Ram25002021
Ram35002021

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