Fuel Injection Timing Control Circuit High
The P2384 code means the vehicle's onboard diagnostic system has detected: Fuel Injection Timing Control Circuit High. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $300 - $1,500 (parts and labor)
Best-selling code reader on Amazon. Reads and clears check engine codes on any 1996+ vehicle. Under $30.
Essential for diagnosing sensor codes, checking voltage, and testing circuits. Under $15 and pays for itself on the first job.
Affiliate links — we earn a commission at no extra cost to you.
Common Symptoms
- Check Engine Light on
- Engine hard starting or no start condition
- Rough idle and engine knocking
- Excessive smoke from exhaust
- Significant power loss
Probable Causes (Ranked by Likelihood)
- Short to battery voltage in sensor circuit Very High
- Failed pump speed/timing sensor High
- Wiring harness damage near injection pump Moderate
- PCM internal fault Low
Frequently Asked Questions
What does P2384 mean?
P2384 relates to the fuel injection pump system: Fuel Injection Timing Control Circuit High. This code is most commonly seen on diesel vehicles where precise pump timing is critical.
Can I drive with P2384?
Drive only short distances to a shop. Fuel injection pump issues can cause hard starting, poor performance, and potential engine damage from incorrect timing.
How much does it cost to fix P2384?
Costs range from $300 for sensor or wiring repairs to $1,500+ if the injection pump itself needs replacement or rebuilding.
Mechanics Guide Step-by-step diagnosis
Step-by-Step Diagnostic Procedure
-
Retrieve P2384 and check for related fuel system codes
-
Monitor injection pump timing and speed data with a scan tool
-
Inspect injection pump sensor wiring and connectors for damage
-
Verify injection pump timing alignment marks are correct
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Commonly Affected Vehicles
- 2010-2018 BMW 328i 2.0L Turbo I4
- 2009-2017 Volkswagen Jetta 2.0L I4
- 2011-2017 Honda Accord 1.5L Turbo I4
- 2015-2023 Honda Accord 2.4L I4
Related Codes
Explore More
Was this helpful?
Send this to whoever is fixing the car — your mechanic, or the person asking what the light means.