B1380:01 Code - Control Module Ignition Accessory Circuit Short to Voltage
Quick Answer
The B1380:01 diagnostic trouble code (DTC) specifically refers to a Control Module Ignition Accessory Circuit Short to Voltage. Common causes include Wiring or harness damage causing a short to voltage in the ignition accessory circuit, Faulty control module or ignition switch, Corrosion or loose connections in the electrical system. 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
- B1380:01 indicates Control Module Ignition Accessory Circuit Short to Voltage.
- Common causes
- Common causes include Wiring or harness damage causing a short to voltage in the ignition accessory circuit, Faulty control module or ignition switch, Corrosion or loose connections in the electrical system.
- 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.
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Code B1380:01 Description
The B1380:01 diagnostic trouble code (DTC) specifically refers to a Control Module Ignition Accessory Circuit Short to Voltage. This code indicates that there is an electrical issue within the vehicle's control module related to the ignition accessory circuit. The ignition accessory circuit is responsible for powering components such as the radio, power windows, and interior lights when the vehicle is turned on.
Common Causes of B1380:01
- Wiring or harness damage causing a short to voltage in the ignition accessory circuit.
- Faulty control module or ignition switch.
- Corrosion or loose connections in the electrical system.
- Aftermarket modifications interfering with the circuit.
- Vehicle experiencing water damage leading to electrical issues.
Symptoms of B1380:01
- Intermittent loss of power to accessories like the radio or power windows.
- Inoperable interior lights when the vehicle is turned on.
- Issues with starting the vehicle due to disrupted ignition system functionality.
- Warning lights on the dashboard related to electrical faults.
- Electrical components not functioning properly or erratically.
How to Fix B1380:01
- Begin by conducting a thorough visual inspection of the wiring and harness related to the ignition accessory circuit to check for any visible damage, corrosion, or loose connections.
- Use a multimeter to test the continuity and voltage levels within the circuit to pinpoint the exact location of the short to voltage.
- If necessary, replace the faulty wiring, harness, or connectors causing the short to voltage.
- Inspect the control module and ignition switch for any signs of malfunction or damage, and replace if necessary.
- Clear the DTC from the vehicle's computer system using a diagnostic scan tool after completing the repairs and testing the circuit to ensure proper functionality.
Cost to Fix B1380:01
The typical repair costs for addressing a B1380:01 code can vary depending on the extent of the damage, parts needed for replacement, and labor involved. On average, the repair for this issue may range from $150 to $500, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local shops to get a more accurate estimate based on your circumstances.
Tech Notes for B1380:01
B1380:04 Control Module Ignition Accessory Circuit Short to Ground or Open
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