TSB Document:

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Summary
Some vehicles may experience a lack of power and the check engine light on with DTC P61B:00 stored in the PCM memory when driving in high temperatures at high elevations. DTC P061B:00 - [PCM] Internal control module torque calculation performance problem.This concern may be caused by improper PCM control logic. The engine torque calculation error may increase in high temperatures at high elevations. To eliminate this concern, the PCM software has been modified.

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Date Published
MAR 22, 2019
NHTSA TSB #
10155435
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