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B1204 Code - Diagnosis Sensor Unit

- Code Popularity: 16,731 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Jan 04, 2019
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|Code B1204 Possible Causes

  • Faulty Diagnosis Sensor Unit
  • Diagnosis Sensor Unit harness is open or shorted
  • Diagnosis Sensor Unit circuit poor electrical connection

|How do I Fix the Code B1204?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1204?

Labor: 1.0

The cost of diagnosing the B1204 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B1204 Possible Symptoms?

  • Air Bag Warning Light ON

|Code B1204 Description

The Air Bag Diagnosis Sensor Unit detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air bag warning lamp in the combination meter. The Air Bag Diagnosis Sensor Unit detects a shock that exceeds specified level and watches such systems as the driver and passenger air bag, side air bag, curtain air bag, pre-tensioner seat belts and Occupant Classification System (OCS) operate properly.
The Air Bag Diagnosis Sensor Unit contains the ā€œGā€ sensors for both frontal and side collisions and spare battery function in case of main battery damaged in a collision.

OBDII Code B1204 - Diagnosis Sensor Unit - AutoCodes.com
B1204 Code - Diagnosis Sensor Unit

|Need More Information on the B1204 Code?

Need more information on how to fix the B1204 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B1204 Code?

Get the B1204 code diagnosed by a professional: Find a repair shop in your area

|Code B1204 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1204 code? Have you replaced any parts?
Any information is appreciated. Thanks