B1400 Chevrolet Code - Control Module Supply Circuit 2
Quick Answer
The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1400 Chevrolet indicates Control Module Supply Circuit 2.
- Common causes
- Common causes include Low battery voltage, Faulty Control Module, Control Module harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1400 Chevrolet Description
What are the Possible Causes of the DTC B1400 Chevrolet?
- Low battery voltage
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How to Fix the DTC B1400 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1400 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Need Help with the Code?
Get the B1400 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- B1400 2014 Chevrolet Silverado — Control Module Supply Circuit 2
- B1400 2015 Chevrolet Silverado — Control Module Supply Circuit 2
- B1400 2016 Chevrolet Silverado — Control Module Supply Circuit 2
- B1400 2017 Chevrolet Silverado — Control Module Supply Circuit 2
- B1400 2018 Chevrolet Silverado — Control Module Supply Circuit 2
Frequently Asked Questions about B1400 Chevrolet Code
1. What are the common symptoms of OBDII code B1400 on a Chevrolet related to the Control Module Supply Circuit 2?
- Common symptoms may include issues with starting the vehicle, rough idle, poor engine performance, and illuminated warning lights on the dashboard.
2. What are some possible causes of OBDII code B1400 Chevrolet - Control Module Supply Circuit 2?
- Possible causes can include a faulty control module, damaged wiring or connectors in the circuit, low battery voltage, or issues with the power supply to the control module.
3. How can I diagnose the OBDII code B1400 on my Chevrolet related to Control Module Supply Circuit 2?
- Diagnosis typically involves using a scan tool to retrieve the specific trouble code, checking the control module and related wiring for any visible damage, and testing the power supply to the module.
4. Can I still drive my Chevrolet with OBDII code B1400 present?
- It is not recommended to drive your vehicle with this code present, as it can lead to potential performance issues and further damage if not addressed promptly.
5. Are there any DIY repair tips for fixing OBDII code B1400 on a Chevrolet?
- DIY repair tips may include checking and cleaning the connectors in the control module circuit, ensuring proper battery voltage, and inspecting for any visible damage to the wiring.
6. How much does it typically cost to repair OBDII code B1400 Chevrolet related to Control Module Supply Circuit 2?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.
7. Is it safe to reset the OBDII code B1400 Chevrolet and continue driving without addressing the underlying issue?
- It is not recommended to simply reset the code without addressing the underlying problem, as it may lead to recurring issues and potential safety hazards while driving.
8. Can a faulty battery or alternator cause OBDII code B1400 on a Chevrolet?
- Yes, a faulty battery or alternator can potentially cause issues with the power supply to the control module, leading to the triggering of code B1400 related to Control Module Supply Circuit 2.
9. Are there any recalls or technical service bulletins related to OBDII code B1400 Chevrolet - Control Module Supply Circuit 2?
- It is advisable to check with a Chevrolet dealership or online resources for any relevant recalls or technical service bulletins related to this specific OBDII code.
10. How long does it typically take to repair OBDII code B1400 Chevrolet once the root cause is identified?
- The repair time can vary depending on the complexity of the issue and availability of parts, but it may take a few hours to a day for a professional mechanic to diagnose and fix the problem correctly.
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