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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC 21/B1620: Left Side Air Bag Sensor Malfunction >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic Trouble Code (DTC) 21/B1620 could be caused by short to ground, short to battery or open in left side air bag sensor wiring harness, left side air bag sensor malfunction or air bag sensor assembly malfunction.

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