Invalid Data Received From Automatic Transmission Fluid Module
The U0492 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Automatic Transmission Fluid Module. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $200 - $800 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Trans fluid temp warning
- Fluid pressure reading erratic
- Transmission shifting rough
- Fluid life monitor inaccurate
Probable Causes (Ranked by Likelihood)
- Trans fluid sensor failure Very High
- Contaminated transmission fluid High
- CAN bus data error Moderate
- Low transmission fluid Low
Step-by-Step Diagnostic Procedure
-
Check trans fluid level and condition
-
Test fluid sensors
-
Scan trans fluid module
-
Change trans fluid if contaminated
Frequently Asked Questions
Can I drive with U0492?
Short distances. Check fluid level and avoid aggressive driving.
What causes U0492?
Usually a failed fluid sensor or contaminated transmission fluid.
How much to fix?
Typically $200 to $800.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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