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P30B4 Chevrolet Code - NOx Sensor 1 Signal Message Counter Incorrect

- Code Popularity: 258 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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Code P30B4 Chevrolet Possible Causes

  • Faulty NOx Sensor 1
  • NOx Sensor 1 harness is open or shorted
  • NOx Sensor 1 circuit poor electrical connection

How do I Fix the Code P30B4 Chevrolet?

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 Chevrolet have Safety Recalls? → Check here

What is the Cost to Diagnose the Code P30B4 Chevrolet?

Labor: 1.0

The cost of diagnosing the P30B4 Chevrolet 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 P30B4 Chevrolet Possible Symptoms?

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

Code P30B4 Chevrolet Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the NOx Sensor 1 Signal Message Counter is Incorrect.

OBDII Code P30B4 Chevrolet - NOx Sensor 1 Signal Message Counter Incorrect -
P30B4 Chevrolet Code - NOx Sensor 1 Signal Message Counter Incorrect

Need More Information on the P30B4 Chevrolet Code?

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Code P30B4 Chevrolet comments

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