What is the code P0017 on a Ford F150?

P0017 on a Ford F-150 indicates a timing correlation issue between the camshaft and crankshaft (Bank 1), often tied to timing components, sensors, or the variable valve timing system. It can affect performance and may require prompt diagnosis to avoid engine damage.

What P0017 Indicates

P0017 is a diagnostic trouble code that signals the engine’s camshaft position and crankshaft position data are not in the expected relationship. In Ford terminology, Bank 1 refers to the side of the engine that contains cylinder 1. The code typically points to a mismatch in timing information that the powertrain control module (PCM) uses to synchronize valve timing and ignition. Driving with this code can lead to misfires, reduced power, or, in some cases, engine limp mode.

Common Causes on the Ford F-150

Before listing potential causes, it helps to understand the range of mechanical and electrical issues that can throw P0017 on a Ford F-150. The following items are among the most frequent contributors.

• Worn or stretched timing chain or belt, and/or a failing timing chain tensioner


• Slipped timing chain or gear misalignment causing incorrect cam/crank timing


• Faulty or sticking variable valve timing (VVT) solenoid / oil control valve


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• Low or dirty engine oil (or oil passages clogged to the VVT system), impacting oil pressure to the VVT system


• Engine misfire or compression issues that alter the timing signals or sensing data

These issues can be interrelated; for example, a failing VVT solenoid can mimic a timing problem, while an actual timing chain issue can cause sensor data to read incorrectly.

Diagnostic Steps

To accurately diagnose P0017 on a Ford F-150, technicians typically follow a structured approach to confirm the root cause before replacing parts.

• Retrieve all codes and review freeze-frame data and any related P-codes to look for patterns (e.g., misconduct in related sensors or misfires).


• Check for Ford service bulletins or recalls that address P0017 symptoms for your specific model year and engine type.


• Inspect timing components: verify chain/belt condition, tensioners, guides, and ensure timing marks align during TDC (top dead center) with the correct cam/crank gear alignment.


• Test CKP and CMP sensors and their wiring with a scan tool or oscilloscope to confirm clean signals and proper correlation.


• Check VVT solenoids and oil passages for sludge, blockages, or improper oil pressure feeding the system.


• Assess engine health: perform compression checks and inspect for misfires to determine if valve damage or other mechanical issues exist.


• After repairs, clear codes, road-test the vehicle, and re-scan to ensure the code does not return and that timing correlation is within specifications.

Proper diagnosis often requires both mechanical inspection and electrical testing to distinguish between a simple sensor fault and a genuine timing problem.

Repair Approaches

Depending on the diagnosed cause, the following repair paths are commonly pursued for P0017 on a Ford F-150.

• If timing components are worn or mis-timed, install a timing chain/belt kit with new tensioners, guides, and re-time the engine to factory specifications.


• Replace faulty CKP/CMP sensors and repair any damaged wiring or connectors; verify new sensors read correctly with a scope or scan tool.


• Clean or replace malfunctioning VVT solenoids and repair any oil supply issues to the variable valve timing system; inspect oil levels and quality.


• Address any engine damage due to mis-timing (e.g., bent valves) if compression tests indicate internal problems; this may require more extensive engine repair or rebuilding.


• Update or reflash the PCM software if Ford has a published update addressing P0017 symptoms for your engine and model year.

Note that the exact fix depends on the root cause identified during diagnosis, and some repairs can be extensive and costly. Always verify that the timing set and sensors are authentic Ford parts or equivalent quality alternatives.

Maintenance Tips to Prevent P0017

Preventive maintenance can reduce the likelihood of P0017 reoccurring. Consider these practices to keep timing-related systems healthy.

• Follow the manufacturer’s recommended oil change intervals using the correct viscosity and grade for your engine.


• Use high-quality oil and avoid contaminants that can clog oil passages feeding the VVT system.


• Schedule periodic inspections of the timing chain/belt, tensioners, and guides at the service interval appropriate for your engine’s mileage.


• Address oil leaks or low oil pressure issues promptly to ensure proper lubrication of the VVT system and timing components.


• Keep electrical harnesses and connectors clean and free from corrosion; promptly repair damaged wiring to avoid sensor faults.

Regular maintenance and early addressing of unusual engine behavior can help prevent P0017 from developing into a larger mechanical problem.

Summary

In short, P0017 on a Ford F-150 signals a timing correlation problem between the camshaft and crankshaft, most often tied to timing components, sensors, or the VVT system. Diagnosing it requires a careful mix of mechanical inspection and electrical testing, followed by targeted repairs such as timing chain replacement, sensor fixes, or VVT solenoid service. With timely diagnosis and proper repair, most owners can restore engine performance and minimize the risk of further damage.

How much does it cost to fix a P0017 code?

The cost to fix a P0017 code varies significantly, from a few hundred dollars for a simple sensor or oil control valve replacement to over $1,000 for a more complex timing chain job. A common repair, such as replacing the camshaft or crankshaft sensor, typically costs around $200 to $400 for most cars, but can be higher for luxury vehicles. For issues requiring more labor, like a timing chain replacement, expect to pay $1,000 or more. 
This video explains the P0017 code and its potential causes: 57sCar Mechanic USAYouTube · May 12, 2025
Cost breakdown by repair

• Camshaft or Crankshaft Sensor:
  • DIY: $15 - $150 for the part. 
  • Professional: $200 - $400 is a common range, though luxury cars can cost more. 
• Oil Control Valve (OCV) / Solenoid:
  • Professional: Often in the $260 range for a single solenoid replacement, but can be more if multiple need replacing. 
• Timing Chain / Belt:
  • Professional: $1,000 or more is typical, as this is a major repair involving significant labor and parts. 

You can watch this video to see how to check your oil level and its importance for fixing P0017: 56sHVAC Mechanic YouTube · Dec 4, 2023
Factors that affect the final cost

• Vehicle make and model: Luxury or performance cars may have higher parts and labor costs. 
• Nature of the problem: Simple sensor or solenoid issues are less expensive than a full timing chain replacement. 
• Labor rates: Costs vary depending on the shop's location and rates. 
• Diagnostic fees: Some shops may charge a fee to accurately diagnose the root cause before providing an estimate. 

What does it mean when the P0017 sensor says your engine is bad?

The camshaft, crankshaft, and sparks all need to be working in perfect sync for the engine to function properly. The P0017 error code indicates that there is a problem with the synchronization of these parts. The error code P0017 specifically refers to Bank 1 Sensor B.

How do you fix the code P0017?

To fix the P0017 code, start by checking and replacing the engine oil if it is low or dirty. If that doesn't solve the issue, troubleshoot the variable valve timing (VVT) system by inspecting the VVT solenoid for clogs or other damage. If the problem persists, investigate the timing belt or chain for damage or slippage, and finally, check the camshaft and crankshaft position sensors themselves for any faults.
 
This video explains the causes and fixes for the P0017 code: 35scar PROblemsYouTube · Sep 7, 2023
1. Check the engine oil 

• Check oil level and condition: Low or dirty engine oil can cause problems with the variable valve timing system. 
• Change the oil: If the oil is low or dirty, top it off or change it completely, as this can sometimes resolve the issue. 

2. Inspect the variable valve timing (VVT) system 

• Locate the VVT solenoid: Find the VVT solenoid on the exhaust side of the engine (Bank 1 Sensor B). 
• Inspect for clogs: Remove the solenoid and check the small screen for any clogs, dirt, or metal debris. Clean the screen or replace the solenoid if necessary. 
• Test the solenoid: Use a multimeter to check the solenoid's resistance and a power probe to ensure the plunger moves correctly when voltage is applied. 

You can watch this video to learn how to inspect and clean the VVT solenoid: 1mFlat Rate MechanicYouTube · Mar 3, 2018
3. Inspect the timing belt or chain 

• Visually inspect: Check the timing belt or chain for any signs of stretching, damage, or a slipped tooth. 
• Check the tensioner: Ensure the timing chain tensioner is working correctly and keeping the chain tight. 
• Verify timing marks: If possible, manually rotate the engine and check that the timing marks on the camshaft and crankshaft sprockets are still properly aligned. 

4. Test the crankshaft and camshaft position sensors 

• Inspect the sensors and wiring: Check the sensors and their wiring harnesses for any physical damage, corrosion, or loose connections. 
• Use a multimeter: Test the sensors with a multimeter to ensure they are functioning within the manufacturer's specifications. 
• Replace if faulty: If a sensor tests bad, replace it with a new one. 

This video explains how to test the crankshaft and camshaft position sensors: 59sCar FixYouTube · Aug 6, 2024

Where is the P0017 sensor located?

For drivers wondering about the P0017 Bank 1 Sensor B location, this sensor is typically on the exhaust side of Bank 1. Checking the engine timing: This might involve physically inspecting the timing marks or using specialized tools. Inspecting the timing chain or belt: Looking for signs of wear, stretching, or damage.