P07F4

Transmission Range Control Module Communication Circuit High

High severity

Range control module communication line reads stuck high — bus shorted to battery voltage or open at the bus terminator.

Common causes

Bus shorted to battery voltage
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-1650
Gateway module routing CAN messages incorrectly
Less common, but worth ruling out after the more likely causes.
low
Typical part cost: $220-1650
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P07F4 mean?

P07F4 means "Transmission Range Control Module Communication Circuit High". It is a generic OBD-II code that points to a fault in the transmission.

What are the most common causes of P07F4?

bus shorted to battery voltage; gateway module routing can messages incorrectly; can terminating resistor (120 ω) drifted out of spec — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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