RAM

21-017-16

Manufacturer communications

Publication date: 2016-04-22
Received by NHTSA: 2018-06-11
NHTSA record numbers: 10139970

Manufacturer summary

Original wording in English

Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: · P0731 - Gear Ratio Error In 1st. The following enhancements are included in the software update: · Improved general shift quality. · Improved 7th gear upshift timing. · Downhill engine braking improvements.

NHTSA manufacturer communications ↗

Reported code forms

P0731

Manufacturer wording

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

RamP0731

Gear Ratio Error In 1st

NHTSA 10076539 · NHTSA 10139970 · NHTSA 10173369

Check vehicle applicability

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Make	Model	Model year
Ram	1500	2016

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