What are the common causes of P074A?

A failed 2nd gear solenoid. A short or open in the 2nd gear solenoid circuit. Low or dirty transmission fluid. A clogged transmission filter. A worn 2nd gear clutch pack or valve body fault.

Read commanded and actual gear 2 on a scan tool. Check transmission fluid level and condition. Test the 2nd gear solenoid circuit for opens and shorts. Replace the transmission filter if it is clogged. Replace the 2nd gear solenoid or clutch pack if the circuit tests good. Clear the code and retest.

P074A

Unable To Engage Gear 2

System: Transmission (P code)
Lamp: Check Engine Light
Category: Powertrain - Transmission

What it means

P074A means Unable To Engage Gear 2.

Check these first

A failed 2nd gear solenoid
A short or open in the 2nd gear solenoid circuit
Low or dirty transmission fluid
A clogged transmission filter
A worn 2nd gear clutch pack or valve body fault

What to do next

Read commanded and actual gear 2 on a scan tool
Check transmission fluid level and condition
Test the 2nd gear solenoid circuit for opens and shorts
Replace the transmission filter if it is clogged
Replace the 2nd gear solenoid or clutch pack if the circuit tests good
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.