P2555 Dodge Code - Throttle/Fuel Inhibit Circuit High
Quick Answer
The Diesel Engine Power Monitor (DEPM) strategy resides in the Transmission Control Module (TCM) located inside the Powertrain Control Module (PCM). Common causes include Faulty Fuel Injector Control Module (FICM), Faulty Powertrain Control Module (PCM), Fuel Injector Control Module harness is open or shorted. 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
- P2555 Dodge indicates Throttle/Fuel Inhibit Circuit High.
- Common causes
- Common causes include Faulty Fuel Injector Control Module (FICM), Faulty Powertrain Control Module (PCM), Fuel Injector Control Module harness is open or shorted.
- 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 P2555 Dodge Description
Under normal engine idle operation the DEPM RPM value must always be higher than the engine RPM. In the event that the engine RPM does not exceed the DEPM limit, the DEPM disables the crankshaft and camshaft output signal sent to the PCM to the Fuel Injector Control Module (FICM).
What are the Possible Causes of the DTC P2555 Dodge?
- Faulty Fuel Injector Control Module (FICM)
- Faulty Powertrain Control Module (PCM)
- Fuel Injector Control Module harness is open or shorted
- Fuel Injector Control Module circuit poor electrical connection
How to Fix the DTC P2555 Dodge?
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 P2555 Dodge 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 P2555 Dodge Code
1. What does the OBDII code P2555 mean on a Dodge vehicle?
P2555 indicates a high voltage condition in the Throttle/Fuel Inhibit Circuit, which can affect engine performance and throttle control.
2. What are common symptoms of the P2555 code in a Dodge?
Symptoms may include reduced engine power, poor throttle response, the Check Engine Light illuminating, or the engine failing to start.
3. What causes the P2555 code to appear?
Common causes include faulty wiring or connectors in the throttle/fuel inhibit circuit, a malfunctioning throttle body, or a defective Powertrain Control Module (PCM).
4. Can a bad throttle position sensor cause the P2555 code?
Yes, a faulty throttle position sensor can contribute to this code if it causes abnormal voltage in the throttle circuit.
5. How do you diagnose the P2555 code on a Dodge?
Diagnostic steps include using an OBDII scanner to confirm the code, inspecting wiring and connectors for damage, and testing the throttle body and related sensors for proper function.
6. Is the P2555 code safe to drive with?
It is not recommended to drive with this code as it may lead to reduced engine performance or unexpected throttle issues, which can be unsafe.
7. How can the P2555 code be fixed on a Dodge vehicle?
Repairs may include fixing or replacing damaged wiring, cleaning or replacing the throttle body, or reprogramming or replacing the PCM if necessary.
8. How much does it typically cost to repair the P2555 code?
Repair costs can vary but may range from $100 for minor wiring repairs to $1,000+ if throttle body or PCM replacement is needed.
9. Can a weak battery cause the P2555 code?
While uncommon, a weak or failing battery can sometimes cause electrical issues that trigger this code. It’s worth testing the battery and charging system.
10. Will clearing the code with an OBDII scanner fix the issue?
Clearing the code may temporarily turn off the Check Engine Light, but the underlying issue needs to be addressed to prevent the code from returning.
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