P07F4

Transmission Range Control Module Communication Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Emergency transmission mode
Incorrect gear shifting
Check Engine Light Illuminates
Difficulty shifting gears
Reduced vehicle dynamics

Causes

Short circuit to voltage in the circuit
Broken or damaged wiring
Range control module malfunction
Poor contact in connectors
Module power problems

How to Fix

Check the integrity of wiring and connectors
Measure resistance and voltage in the circuit
Check ground connections
Diagnose range control module
Replace faulty components

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