Ford Code P0390 is an essential indicator of a potential problem with your Ford vehicle. A diagnostic trouble code (DTC) indicates a malfunction in the camshaft position sensor circuit. This code can be a nuisance, as it can cause a wide range of issues in the vehicle, such as a decrease in performance, an increase in fuel consumption, and even engine stalling. To prevent further damage, it is essential to get to the root of the problem and identify the cause of the malfunction. This article will outline the causes and solutions for Ford Code P0390.
👀Look at this: Ford Code U0253:00
Causes and Solutions for Ford Code P0390
| Causes | Solutions |
|---|---|
| CMP21 circuit open (6.2L) | Repair or replace the CMP21 circuit |
| CMP22 circuit open (all others) | Repair or replace the CMP22 circuit |
| CMP21 circuit short to ground (6.2L) | Repair or replace the CMP21 circuit |
| CMP22 circuit short to ground (all others) | Repair or replace the CMP22 circuit |
| SIGRTN circuit open | Repair or replace SIGRTN circuit |
| VRSRTN circuit open | Repair or replace the VRSRTN circuit |
| Camshaft timing incorrectly set | Correct camshaft timing |
| Camshaft position sensor trigger wheel out of alignment | Correct camshaft position sensor trigger wheel alignment |
Ford Code P0390 is an indication that something is wrong with the camshaft position sensor circuit in your Ford vehicle. It usually presents itself in the form of decreased performance, increased fuel consumption, and even engine stalling. To prevent further damage, it is essential to identify the cause of the malfunction and address it quickly. In this article, we have outlined the various causes and solutions for Ford Code P0390, including circuit open or short to ground, camshaft timing incorrectly set, and camshaft position sensor trigger wheel out of alignment. With this information, you can diagnose the issue and take the necessary steps to fix the problem.
🚨You may be interested in: Ford Code P1550
CMP21 and CMP22 Circuits Open and Short to Ground
If the CMP21 circuit is open or short to ground on a 6.2L engine, or the CMP22 circuit is open or short to ground on all other engines, then the solution is to repair or replace the circuit. If the circuit is open, it will need to be inspected and repaired, while if it is short to ground, it will need to be replaced.
SIGRTN and VRSRTN Circuits Open
If the SIGRTN or VRSRTN circuits are open, then the solution is to repair or replace these circuits. An open circuit will need to be inspected and repaired, while a short-to-ground circuit will need to be replaced.
Camshaft Timing Incorrectly Set
If the camshaft timing is incorrectly set, then the solution is to correct the camshaft timing. This can be done by inspecting the timing components and making the necessary adjustments with special tools.
Camshaft Position Sensor Trigger Wheel Out of Alignment
If the camshaft position sensor trigger wheel is out of alignment, then the solution is to correct the alignment. This can be done by inspecting the trigger wheel and making the necessary adjustments with special tools.
⚡️Other article: Ford Code P0743
Conclusion: Address Ford Code P0390 Quickly
Ford Code P0390 is a diagnostic trouble code indicating a camshaft position sensor circuit malfunction. If left unaddressed, this code can cause a decrease in performance, an increase in fuel consumption, and even engine stalling. That is why it is important to address this code quickly by diagnosing the issue and taking the necessary steps to fix it. To do this, you need to understand the various causes and solutions for Ford Code P0390, such as CMP21 and CMP22 circuits open and short to ground, SIGRTN and VRSRTN circuits open, camshaft timing incorrectly set, and camshaft position sensor trigger wheel out of alignment. With this information, you can diagnose the issue and take the necessary steps to fix the problem. By addressing Ford Code P0390 quickly, you can prevent further damage to your Ford vehicle.
Was this page helpful?