OBD Guide
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B117C

Latch Centering Switch Invalid

B117C is an OBD-II diagnostic trouble code meaning: Latch Centering Switch Invalid. Common causes: limit switch fault, open or short circuit in the sensor circuit. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Incorrect operation of the central locking
  • False alarms
  • The passive safety warning light is on

Causes

  • Limit switch fault
  • Open or short circuit in the sensor circuit
  • Oxidation of contacts
  • Mechanical damage to the latch
  • Problems with the door wiring harness

How to Fix

  1. Diagnostics of limit switch operation with a multimeter
  2. Checking the continuity of the sensor circuit
  3. Cleaning contacts and treating with contact lubricant
  4. Replacing a faulty limit switch
  5. Checking the condition of the wiring harness in the door pillar

Related codes

B117BB117DB1180

FAQ

What does the B117C code mean?

B117C is an OBD-II diagnostic trouble code that indicates: Latch Centering Switch Invalid

What causes a B117C error code?

The most common causes of B117C include: Limit switch fault; Open or short circuit in the sensor circuit; Oxidation of contacts; Mechanical damage to the latch.

How do I fix a B117C diagnostic trouble code?

To fix B117C: Diagnostics of limit switch operation with a multimeter. Checking the continuity of the sensor circuit. Cleaning contacts and treating with contact lubricant. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B117C?

Limited driving only, diagnose soon

How much does it cost to fix B117C?

The estimated repair cost for B117C is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat