B1204 - Diagnosis Sensor Unit

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

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 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.

Cost of diagnosing the B1204 code

    Labor: 1.0

    The cost of diagnosing the B1204 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.

B1204 Possible Symptoms

  • Air Bag Warning Light ON

B1204 Meaning

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 - Engine-Codes.com

B1204 More Information

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B1204 Information for specific makes

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