Transmission won't move at all after replacing solenoids
Replacing valve body solenoids to fix shifting problems can sometimes cause the vehicle to stop moving entirely in any gear. This leaves DIY mechanics stranded with persistent solenoid open codes and a truck that still won't drive, rather than solving the original gear failure.
Core Friction Pattern
Analysis of 2 peer accounts across online developer and community forums reveals that “Transmission won't move at all after replacing solenoids” repeatedly surfaces due to edge-case mismatches between standard defaults and real-world environments. Standard troubleshooting frequently falls short, compelling practitioners to develop custom workarounds.
+2 alternative community-tested workarounds cataloged below.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
Transmission won't move at all after replacing solenoids
- 1Replacing all the solenoids in the transmission valve body based on the initial diagnostic codes.Did this help you?
- 2Changing the transmission fluid, strainer, gaskets, and shift solenoidDid this help you?
- 3Paying for a complete transmission rebuild or replacementDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“It's a 5R55S V6 with Flex. I have taken the truck to a couple shops and they are asking over 2000 to rebuild.”source ↗
“The truck did shift normal. Then would not change into second or third gear and eventually just wouldn't go into drive or reverse.”source ↗
“It wouldnt drive unless you revved it hard and then it would launch hard.”source ↗
“It threw out solenoid codes when tested so we replaced all the solenoids in the valve body and now it won't do anything at all.”source ↗
“Initially after replacing the solenoids it would move forwards, even in reverse.”source ↗
“It shows solenoid open all the time.”source ↗
Where this came up
People with this problem also raised
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- 5Why does my automatic transmission get stuck in low gear when accelerating?