Low — S1Nissan Sentra · economy tier
B0071 on Nissan Sentra
The B0071 diagnostic trouble code on a Nissan Sentra indicates first row center seat belt pretensioner deployment control. For Nissan vehicles, this code is commonly triggered by faulty seat motor/module — most common cause, test before replacing or damaged or corroded wiring/connector in the power seat system circuit.
Can You Still Drive?
Safe to drive. Check at your convenience.
Estimated Repair Cost
$100 – $800
for Nissan Sentra
Common on This Vehicle?
B0071 appears less frequently on Nissan Sentra models but should still be diagnosed promptly.
Repair Costs for B0071 on Nissan Sentra
These repairs are commonly needed to resolve the B0071 code on a Nissan Sentra:
See all repair costs for Nissan Sentra →Symptoms on Nissan Sentra
- •Seat memory settings not saving or recalling correctly
- •Power seat won't move in one or more directions
- •Diagnostic trouble code (DTC) stored in module memory
- •Fault may be intermittent — code may clear itself and reappear
- •Reduced vehicle functionality related to the power seat system
Common Causes
- •Faulty seat motor/module — most common cause, test before replacing
- •Damaged or corroded wiring/connector in the power seat system circuit
- •Blown fuse or faulty relay for the power seat system
- •Poor ground connection — check and clean all related ground points
- •Control module fault — rare but possible, only consider after ruling out simpler causes