B1370 2016 Chevrolet Silverado Code - Control Module Ignition ON and Start Circuit
Quick Answer
The vehicle Power Mode Master (PMM) is the Body Control Module (BCM). Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch circuit poor electrical connection. 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
- B1370 2016 Chevrolet Silverado indicates Control Module Ignition ON and Start Circuit.
- Common causes
- Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch circuit poor electrical connection.
- 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 B1370 2016 Chevrolet Silverado Description
The Power Mode Master will activate relays and other direct outputs of the Power Mode Master as needed according to the calculated power mode. Some relays controlled by the BCM are switched ignition voltage outputs that are pass-through circuits within the BCM directly from the ignition switch. If these circuits are short to ground, the B+ circuit fuse to the ignition switch will open.
What are the Possible Causes of the DTC B1370 2016 Chevrolet Silverado?
- Faulty Ignition Switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
- Faulty Instrument Cluster (If code is stored in Instrument Cluster)
How to Fix the DTC B1370 2016 Chevrolet Silverado?
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.
Code Tech Notes
B1370:04 Control Module Ignition ON and Start Circuit Short to Ground or Open
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1370 2016 Chevrolet Silverado 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.
Need more information about the B1370 2016 Chevrolet Silverado code?
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Frequently Asked Questions about B1370 2016 Chevrolet Silverado Code
1. What does the OBDII code B1370 mean on a 2016 Chevrolet Silverado?
B1370 indicates an issue with the Control Module Ignition ON and Start Circuit, suggesting a problem in the vehicle's ignition or start wiring.
2. What are the common symptoms of code B1370 in a 2016 Chevrolet Silverado?
Symptoms may include the engine failing to start, intermittent starting issues, or dashboard warning lights related to the ignition system.
3. What causes the B1370 code on a 2016 Chevrolet Silverado?
Common causes include a faulty ignition switch, damaged wiring or connectors in the ignition circuit, or a malfunctioning control module.
4. Can a dead battery trigger the B1370 code?
While a dead or weak battery itself may not trigger the code, low voltage can cause circuit-related issues that could lead to this fault.
5. How can I troubleshoot the B1370 code on my Silverado?
Begin by inspecting the ignition switch, wiring, and connectors for damage or corrosion. Use a multimeter to verify continuity and voltage in the affected circuits.
6. Is it safe to drive with the B1370 code on my 2016 Silverado?
Driving may not be safe, as the ignition system could fail while driving or prevent the vehicle from restarting.
7. How much does it cost to repair the B1370 code on a Chevrolet Silverado?
Repair costs vary but typically range from $100 to $500, depending on whether the issue is with the ignition switch, wiring, or control module.
8. Can I fix the B1370 code myself?
If you're comfortable with electrical diagnostics and repairs, you can inspect and replace faulty components. Otherwise, it’s best to consult a professional mechanic.
9. Could a software update fix the B1370 code?
In rare cases, a software update for the control module may resolve the issue, but hardware problems are more common with this code.
10. What tools are needed to diagnose the B1370 code?
You'll need an OBDII scanner, a multimeter, and possibly wiring diagrams specific to the 2016 Chevrolet Silverado.
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