TRNW-2: 4L60E 3-4 shift time error

Healy Powertrain info at healypowertrain.com
Fri Dec 19 11:28:29 PST 2025


Hello Group!


Is it normal for a MY2007 (ISS) 4L60E to have the 3-4 Shift Error Value match the Shift Time Value (The Error Value being negative) All the time?
And for the 3-4 shift to complete in up to 0.9 seconds? (Varies from ca 0.3 to 0.9 seconds)
I was diagnosing this unit for a 3-4 shit complaint (It did shift to 4th just barely noticeable)Thanks,

Best Regards,


Marcel Verwijmeren
Healy Powertrain
Driveline Solutions
T 06 57745407
E <info at healypowertrain.com>
W <http://www.healypowertrain.com/>

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