Engine-Codes - Generic - B1204

B1204 Code - Diagnosis Sensor Unit

- Code Popularity: 16,971 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1204?

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

|How to Fix the B1204 Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B1204?

Labor: 1.0

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

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|What are Code B1204 Possible Symptoms?

  • Air Bag Warning Light ON

|What Does the B1204 Code Mean?

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.

B1204 Code - Diagnosis Sensor Unit

|Need more Information on the B1204 Code?

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|Code B1204 Information for Specific Makes

|Need Help with the B1204 Code?

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