RAM

18-005-20 REV. A

Manufacturer communications

Publication date: 2020-04-03
Received by NHTSA: 2020-05-26
NHTSA record numbers: 10175714

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the correct software. This vehiclemay have been programmed with incorrect software. The customer may experience Active Noise Control (ANC) system not working. Upon further investigation the technician may find the followingDiagnostic Trouble Codes (DTCs) has been set:B154F-64 - Lost Crankshaft Pulse Signal-Signal Plausibility Failure B154F-24 - Lost Crankshaft Pulse Signal-Signal Stuck High.

NHTSA manufacturer communications ↗

Reported code forms

B154F

Manufacturer wording

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

RamB154F-24

Lost Crankshaft Pulse Signal-Signal Stuck High

NHTSA 10175714 · NHTSA 10228049

RamB154F-64

Lost Crankshaft Pulse Signal-Signal Plausibility Failure

NHTSA 10175714 · NHTSA 10228049

Check vehicle applicability

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

Make	Model	Model year
Ram	2500	2020
Ram	3500	2020

Data coverage →