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Home >> Toyota >> 2008 >> 4Runner Limited, 4.7 T, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/Window Glass >> Power Window Control System >> DTC B2221 Jam Protection Pulse Sensor Circuit on Back Door >> Fail-Safe
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DTC B2221 Jam Protection Pulse Sensor Circuit on Back Door: Fail-Safe

If the pulse sensor in the back door power window motor malfunctions (DTC B2221 is output), the power window functions will be restricted: