P2455 Code - Diesel Particulate Filter Pressure Sensor 'A' Circuit High
Quick Answer
The Powertrain Control Module (PCM) monitors the rationality of the Diesel Particulate Filter (DPF) pressure sensor during idle and part load operating conditions. Common causes include Faulty Diesel Particulate Filter (DPF) Pressure Sensor, Diesel Particulate Filter (DPF) Pressure Sensor harness is open or shorted, Diesel Particulate Filter (DPF) Pressure 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
- P2455 indicates Diesel Particulate Filter Pressure Sensor 'A' Circuit High.
- Common causes
- Common causes include Faulty Diesel Particulate Filter (DPF) Pressure Sensor, Diesel Particulate Filter (DPF) Pressure Sensor harness is open or shorted, Diesel Particulate Filter (DPF) Pressure 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 P2455 Description
What are the Possible Causes of the DTC P2455?
- Faulty Diesel Particulate Filter (DPF) Pressure Sensor
- Diesel Particulate Filter (DPF) Pressure Sensor harness is open or shorted
- Diesel Particulate Filter (DPF) Pressure Sensor circuit poor electrical connection
- Diesel particulate filter pressure sensor connecting hose is loose, cracked, or missing
- Diesel particulate filter pressure sensor connecting hose port is cracked or broken
- Excessive amount of soot or ash in the diesel particulate filter
How to Fix the DTC P2455?
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 P2455 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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Need Help with the Code?
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Information for Specific Makes
- P2455 Buick — Diesel Particulate Filter Differential Pressure Sensor Circuit High Voltage
- P2455 Cadillac — Diesel Particulate Filter Differential Pressure Sensor Circuit High Voltage
- P2455 Chevrolet — Diesel Particulate Filter Differential Pressure Sensor Circuit High Voltage
- P2455 Dodge — Diesel Particulate Filter Pressure Sensor 'A' Circuit High
- P2455 Ford — Diesel Particulate Filter Pressure Sensor 'A' Circuit High
- P2455 GMC — Diesel Particulate Filter Differential Pressure Sensor Circuit High Voltage
Frequently Asked Questions about P2455 Code
No Frequently Asked Questions about P2455 Code found.
Discuss the causes and fixes for P2455 OBDII Code
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i have a golf blue motion on 2010 it has glow plug light flashing and soe times engine light on no loss of power car run just as well as before
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