P1551 Scion Code - Battery Current Sensor Circuit Low Input
Quick Answer
The power generation voltage variable control enables fuel consumption to be decreased by reducing the engine load which is caused by the power generation of the generator. Common causes include Faulty Battery Current Sensor (Built into the Generator Control ECU Assembly), Battery Current Sensor harness is open or shorted, Battery Current Sensor 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
- P1551 Scion indicates Battery Current Sensor Circuit Low Input.
- Common causes
- Common causes include Faulty Battery Current Sensor (Built into the Generator Control ECU Assembly), Battery Current Sensor harness is open or shorted, Battery Current Sensor 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 P1551 Scion Description
What are the Possible Causes of the DTC P1551 Scion?
- Faulty Battery Current Sensor (Built into the Generator Control ECU Assembly)
- Battery Current Sensor harness is open or shorted
- Battery Current Sensor circuit poor electrical connection
How to Fix the DTC P1551 Scion?
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 P1551 Scion 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 P1551 Scion Code
1. What does the OBDII code P1551 mean for a Scion?
P1551 indicates a low input signal from the battery current sensor circuit, which monitors the battery's charging and discharge status.
2. What are the common symptoms of code P1551 in a Scion?
Symptoms may include the check engine light turning on, erratic charging behavior, reduced fuel efficiency, or electrical system malfunctions.
3. What causes the P1551 code to appear in a Scion?
Possible causes include a faulty battery current sensor, damaged wiring or connections, corrosion on terminals, or issues with the alternator.
4. How do I diagnose P1551 in my Scion?
Start by inspecting the battery current sensor, wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity.
5. Can a bad alternator trigger code P1551?
Yes, a malfunctioning alternator can cause irregular battery charging, which may result in a low input signal from the battery current sensor.
6. How do you fix the P1551 code on a Scion?
Repairs may involve replacing the battery current sensor, fixing damaged wiring, cleaning corroded terminals, or addressing alternator issues.
7. Is it safe to drive with the P1551 code active?
Driving with this code might lead to battery drain or charging problems, which could leave you stranded. It's best to address the issue promptly.
8. How much does it cost to repair code P1551 in a Scion?
Repair costs vary depending on the issue, ranging from $50 for minor wiring fixes to over $300 for sensor or alternator replacement.
9. Can a weak battery cause the P1551 code on a Scion?
Yes, a weak or failing battery can produce irregular signals, potentially triggering this code.
10. Does clearing the P1551 code fix the problem?
Clearing the code without addressing the underlying issue may cause it to return. Proper diagnosis and repair are necessary to resolve the problem.
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