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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC 26/B0121 & B0122: Right Seat Belt Buckle Switch Malfunction >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

DTC 26/B0121 and B0122 could be caused by a faulty seat belt buckle switch, air bag sensor assembly malfunction a faulty wiring harness.

NOTE: During testing, if DTCs other than DTC 26/B0121 & B0122 are retrieved, disregard them.
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