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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
AB39-14B321-BF
and air distribution
Driver chip replacement
Diagnosis of wiring and circuit faults
no coms or output drive issues
🚚 Kenworth Climate Control Repair – Dial & Output Faults (F21-1015) ECU AB39-14B321-BFThis is a repair service for the Kenworth F21 1015 climate control module, commonly used in heavy duty Kenworth trucks. These units often suffer from non functional dials or failed output circuits, which affect the control of fans, temperature, and air distribution. Common Issues We Repair: Dials or knobs not responding or functioning intermittently Fan speed or temperature cannot be adjusted Failed output to actuators, relays, or fans Burnt
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