P1397 Code - System Voltage Out Of Self Test Range
Quick Answer
When the diagnostic trouble code P1397 appears, it indicates that the system voltage is out of the self-test range. Common causes include Faulty alternator, Weak or failing battery, Loose or corroded battery connections. 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
- P1397 indicates System Voltage Out Of Self Test Range.
- Common causes
- Common causes include Faulty alternator, Weak or failing battery, Loose or corroded battery connections.
- 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 P1397 Description
When the diagnostic trouble code P1397 appears, it indicates that the system voltage is out of the self-test range. This means that the voltage levels in the vehicle's electrical system are not within the expected parameters set by the manufacturer. This issue can affect the overall performance of the vehicle by causing electrical components to malfunction or not operate at their optimal levels. It could lead to issues with starting the vehicle, poor fuel efficiency, rough idling, or even stalling. If not addressed, this problem can potentially cause damage to other electrical components in the vehicle over time.
Common Causes of P1397
- Faulty alternator
- Weak or failing battery
- Loose or corroded battery connections
- Issues with the voltage regulator
- Wiring or harness issues in the electrical system
Symptoms of P1397
- Difficulty starting the vehicle
- Dimming or flickering lights
- Engine misfires
- Poor fuel efficiency
- Stalling or rough idling
How to Fix P1397
- Check the battery voltage and condition
- Test the alternator output
- Inspect and clean battery connections
- Check the voltage regulator for proper operation
- Inspect wiring and harness for any damage or corrosion
Cost to Fix P1397
The cost of repairing a system voltage out of self-test range issue can vary depending on the root cause of the problem. On average, the repair cost can range from $100 to $500, which includes parts and labor. It's important to note that the 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's recommended to consult with a professional technician for a more accurate estimate.
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Code P1397 Information for Specific Makes
- P1397 Audi — Engine Speed Wheel Adaption Limit Reached
- P1397 BMW — Camshaft Position Sensor 'B' Circuit Bank 1
- P1397 Buick — Wheel Speed Sensor 2 G-Sensor Circuit Low Voltage
- P1397 Cadillac — Wheel Speed Sensor 2 G-Sensor Circuit Low Voltage
- P1397 Chevrolet — Wheel Speed Sensor 2 G-Sensor Circuit Low Voltage
- P1397 Ford — System Voltage Out Of Self Test Range
- P1397 GMC — Wheel Speed Sensor 2 G-Sensor Circuit Low Voltage
- P1397 Lincoln — System Voltage Out Of Self Test Range
- P1397 Mercury — System Voltage Out Of Self Test Range
- P1397 MINI — Camshaft Position Sensor 'B' Circuit Bank 1
- P1397 Suzuki — WSSD Rough Road
- P1397 Volkswagen — Engine Speed Wheel Adaption Limit Reached
Frequently Asked Questions about P1397 Code
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