RAM

1801623

Manufacturer communications

Publication date: 2023-02-03
Received by NHTSA: 2023-04-17
NHTSA record numbers: 10234469 · 10247996

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs:P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. Other software enhancement included with this update: Idle stability improvements during Electronic Stability Control (ESC) events.

NHTSA manufacturer communications ↗

Reported code forms

P0335 P0339

Manufacturer wording

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

RamP0335

Crankshaft Position Sensor Circuit

NHTSA 10121651 · NHTSA 10121653 · NHTSA 10121664

RamP0339

Crankshaft Position Sensor Intermittent

NHTSA 10181592 · NHTSA 10181595 · NHTSA 10183100

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	1500	2021

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