What are the common causes of U0453?

A broken or chafed Side Restraints Control Module - Left wire. A weak power or ground feed to the Side Restraints Control Module - Left. A fault inside the Side Restraints Control Module - Left.

Scan every module and record the stored codes. Inspect the Side Restraints Control Module - Left connector for corrosion or backed out pins. Replace the Side Restraints Control Module - Left if the wiring and voltage tests pass. Clear the code and retest.

U0453

Invalid Data Received From Side Restraints Control Module - Left

System: Network communication (U code)
Lamp: Check Engine Light
Category: Network Communications

What it means

U0453 means Invalid Data Received From Side Restraints Control Module - Left.

Where it lives

For U0453, start at the module the description names.

Check these first

A broken or chafed Side Restraints Control Module - Left wire
A weak power or ground feed to the Side Restraints Control Module - Left
A fault inside the Side Restraints Control Module - Left

What to do next

Scan every module and record the stored codes
Inspect the Side Restraints Control Module - Left connector for corrosion or backed out pins
Replace the Side Restraints Control Module - Left if the wiring and voltage tests pass
Clear the code and retest

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Updated

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