B1706 - FAULT CODE - OBD2

POST UPDATED IN January, 2023

B1706 Code failures by brands

B1706 HYUNDAI, KIA: PASSENGER BUCKLE PRETENSIONER RESISTANCE TOO HIGH

Description of DTC code B1706

A pretensioner is designed to allow the safety belts to be more effective by eliminating the belt slack after a collision occurs, or if the system detects excessive tension in the passenger or driver safety belt. The Buckle Pretensioner circuit includes the Supplemental Restraint System Control Module (SRSCM) and two Buckle Pretensioners.

When the resistance of the BUPT launcher exceeds the allowed parameters, the B1706 OBD2 fault code will be set.

Symptoms of fault code B1706

Causes of OBD2 B1706

The B1706 OBDII diagnostic code is stored due to the following reasons:

  • The passenger buckle pretensioner wiring may be faulty.
  • The Passenger Buckle Pretensioner circuit electrical connections may be in poor condition.
  • The passenger buckle pretensioner may be defective.
  • The Control Module of the Supplementary Restraint System may be damaged.

Possible solutions of the DTC code B1706

To troubleshoot the DTC B1706 OBD2, try this:

  • Consult the Technical Service Bulletins.
  • Check the passenger buckle pretensioner cables. Check these components for wear or corrosion deficiencies. Repair or replace as required.
  • Perform electrical tests on the passenger buckle pretensioner circuit and check connections for damage, causing high resistance levels. Correct if necessary.
  • Check the condition of the Passenger Buckle Pretensioner. For this diagnosis, take into account the manufacturer's recommendations. If you detect damage to it, make some adjustments.

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