Low — S1Toyota RAV4 · economy tier
B0078 on Toyota RAV4
The B0078 diagnostic trouble code on a Toyota RAV4 indicates third row right seat belt pretensioner deployment control. For Toyota 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 Toyota RAV4
Common on This Vehicle?
B0078 appears less frequently on Toyota RAV4 models but should still be diagnosed promptly.
Repair Costs for B0078 on Toyota RAV4
These repairs are commonly needed to resolve the B0078 code on a Toyota RAV4:
See all repair costs for Toyota RAV4 →Symptoms on Toyota RAV4
- •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