P2454 Code - Diesel Particulate Filter Pressure Sensor 'A' Circuit Low
Quick Answer
The Powertrain Control Module (PCM) monitors the diesel particulate filter pressure sensor for a low voltage concern. 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
- P2454 indicates Diesel Particulate Filter Pressure Sensor 'A' Circuit Low.
- 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 P2454 Description
What are the Possible Causes of the DTC P2454?
- 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
How to Fix the DTC P2454?
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 P2454 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.
Need more information about the P2454 code?
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Need Help with the Code?
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Information for Specific Makes
- P2454 Buick — Diesel Particulate Filter Differential Pressure Sensor Circuit Low Voltage
- P2454 Cadillac — Diesel Particulate Filter Differential Pressure Sensor Circuit Low Voltage
- P2454 Chevrolet — Diesel Particulate Filter Differential Pressure Sensor Circuit Low Voltage
- P2454 Dodge — Diesel Particulate Filter Pressure Sensor 'A' Circuit Low
- P2454 Ford — Diesel Particulate Filter Pressure Sensor 'A' Circuit Low
- P2454 GMC — Diesel Particulate Filter Differential Pressure Sensor Circuit Low Voltage
Frequently Asked Questions about P2454 Code
No Frequently Asked Questions about P2454 Code found.
Discuss the causes and fixes for P2454 OBDII Code
-
Hi
P2454 faulty code reading.
I have now had wiring done with correct voltage readings.
Two new GM Sensors that fault within one hours driving.
My car appears to regenerate with light on.
What could be my problem here guys not good.
Cheers -
What model and year is your vehicle? one of the most common cause for sensor failure is a poor ground from sensor to body.
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