P2477 Ford Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 4
Quick Answer
The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 4, Exhaust Gas Temperature Sensor Bank 2 Sensor 4 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 Sensor 4 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P2477 Ford indicates Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 4.
- Common causes
- Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 4, Exhaust Gas Temperature Sensor Bank 2 Sensor 4 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 Sensor 4 circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P2477 Ford Description
What are the Possible Causes of the DTC P2477 Ford?
- Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 4
- Exhaust Gas Temperature Sensor Bank 2 Sensor 4 harness is open or shorted
- Exhaust Gas Temperature Sensor Bank 2 Sensor 4 circuit poor electrical connection
- Exhaust leaks
- Excessive particulate matter buildup on sensor
How to Fix the DTC P2477 Ford?
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 P2477 Ford 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 P2477 Ford Code
What does the OBDII code P2477 mean for my Ford vehicle?
The code P2477 indicates an intermittent or erratic signal from the exhaust gas temperature sensor circuit for Bank 2, Sensor 4, which monitors the temperature of the exhaust gases.
What symptoms might I experience if my vehicle has the P2477 code?
Common symptoms include a check engine light, decreased engine performance, poor fuel economy, and in some cases, the vehicle may enter limp mode.
What could cause the P2477 code to trigger?
Possible causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors in the sensor circuit, issues with the engine control module (ECM), or exhaust system leaks.
How can I diagnose the P2477 code?
To diagnose the P2477 code, inspect the exhaust gas temperature sensor and its wiring for damage, check the sensor’s resistance using a multimeter, and scan for any additional trouble codes that may provide more context.
What are some common repair tips for fixing the P2477 code?
Repairs may include replacing the faulty exhaust gas temperature sensor, repairing or replacing damaged wiring or connectors, and ensuring that all connections are secure and free from corrosion.
Can I drive my Ford vehicle with the P2477 code?
While it may be possible to drive the vehicle, it is not recommended as it can lead to further damage or decreased performance. It's best to address the issue as soon as possible.
Will clearing the P2477 code fix the problem?
Clearing the code may temporarily turn off the check engine light, but it will not fix the underlying issue. The code is likely to return if the problem persists.
How much does it cost to fix the P2477 code?
Repair costs can vary widely depending on the root cause, but replacing the exhaust gas temperature sensor typically ranges from $100 to $300, including parts and labor.
Is the P2477 code specific to Ford vehicles?
While the P2477 code can occur in various vehicle makes and models, the specifics of the sensor and circuit may differ. It's important to refer to Ford service manuals for detailed information on your specific vehicle.
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