B1445 2014 Chevrolet Silverado Code - Control Module Voltage Output Circuit
Quick Answer
The Body Control Module (BCM) controls the Retained Accessory Power Relay 1 and Retained Accessory Power Relay 2 through their control circuits by applying a voltage to the Retained Accessory Power Relay coil control circuit. Common causes include Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2, Retained Accessory Power Relay harness is open or shorted, Retained Accessory Power Relay 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
- B1445 2014 Chevrolet Silverado indicates Control Module Voltage Output Circuit.
- Common causes
- Common causes include Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2, Retained Accessory Power Relay harness is open or shorted, Retained Accessory Power Relay 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 B1445 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC B1445 2014 Chevrolet Silverado?
- Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2
- Retained Accessory Power Relay harness is open or shorted
- Retained Accessory Power Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1445 2014 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1445 2014 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.
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Frequently Asked Questions about B1445 2014 Chevrolet Silverado Code
1. What does the OBDII code B1445 indicate on a 2014 Chevrolet Silverado?
The code B1445 in a 2014 Chevrolet Silverado indicates an issue with the "Control Module Voltage Output Circuit," suggesting that the control module is experiencing abnormal voltage output levels.
2. What symptoms might I notice if my 2014 Chevrolet Silverado is showing the B1445 code?
Symptoms can include the vehicle's electrical components acting erratically, reduced performance of the engine, issues with starting the vehicle, and possibly the check engine light turning on.
3. What are common causes of the B1445 code in a 2014 Chevrolet Silverado?
Common causes include faulty control modules (such as the PCM or BCM), poor battery condition, faulty alternator, damaged wiring, or bad connections in the voltage output circuit.
4. How can I troubleshoot the B1445 code in my 2014 Chevrolet Silverado?
Start by checking the vehicle’s battery and alternator for proper function. Inspect all related wiring and connectors for damage or corrosion. Use a multimeter to verify the voltage outputs from the control modules.
5. What repairs can fix the B1445 code in a 2014 Chevrolet Silverado?
Repairs may include replacing the faulty control module, repairing or replacing damaged wiring, securing loose connections, or replacing an underperforming battery or alternator.
6. Is it safe to drive my 2014 Chevrolet Silverado with the B1445 code?
While you might be able to drive with this code, it is advisable to address the issue promptly as it involves the vehicle's electrical system, which can affect various vehicle functions and safety features.
7. How urgent is it to address a B1445 code in a 2014 Chevrolet Silverado?
It is fairly urgent to address the B1445 code because it relates to the vehicle’s voltage output, which can impact the performance and reliability of the vehicle’s electrical system and engine management.
8. Can a B1445 code affect the fuel efficiency of my 2014 Chevrolet Silverado?
Yes, if the control module is not regulating voltage properly, it can affect the efficiency of the engine and other systems, potentially leading to decreased fuel efficiency.
9. What tools are needed to diagnose the B1445 code on a 2014 Chevrolet Silverado?
A digital multimeter and a scan tool or OBD-II scanner are essential for diagnosing this code. You may also need basic hand tools to access and inspect wiring and components.
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