B1129 HONDA - Driver Side Door Lock Knob Switch Signal Error

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B1129 HONDA Possible Causes

  • Faulty Driver Side Door Lock Knob Switch
  • Driver Side Door Lock Knob Switch harness is open or shorted
  • Driver Side Door Lock Knob Switch circuit poor electrical connection
  • Faulty Door Multiplex Control Unit

Cost of diagnosing the B1129 HONDA code

    Labor: 1.0

    The cost of diagnosing the B1129 HONDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B1129 HONDA Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1129 HONDA Meaning

The Door Multiplex Control Unit monitors the Driver Side Door Lock Knob Switch. The Door Multiplex Control Unit sets the OBDII code when the Driver Side Door Lock Knob Switch is not to factory specifications.
OBDII Code B1129 HONDA - Driver Side Door Lock Knob Switch Signal Error - Engine-Codes.com

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