P000A: "A" Camshaft Position Slow Response (Bank 1)
2 vehicles · 1 makes · $1,500-$4,500 repair
Most Reported On
P000A is an OBD-II diagnostic trouble code meaning “"A" Camshaft Position Slow Response (Bank 1).” A generic SAE-defined code for engines with variable valve/cam timing (VVT/VCT). The PCM commands the bank 1 'A' camshaft (normally the intake cam) to a target position and monitors the actual position via the camshaft position sensor. P000A sets when the camshaft moves toward the commanded position too slowly, or fails to reach it within the calibrated time, indicating the phaser is not responding at the expected rate. On Ford EcoBoost engines this is the classic signature of oil-control or phaser wear that also produces cold-start timing rattle. This code is most commonly reported on 2009-2019 Ford Flex, and 2016-2024 Ford Edge (Sport, ST), with repair costs ranging from $1,500 to $4,500.
Common Causes
Typical Repair Cost
Based on 2 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
This is a powertrain code, so a basic OBD-II reader can read it. These read P000A.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple code reader for engine (P) codes on many compatible OBD-II vehicles. It does not support every vehicle or hybrid/EV application, and it does NOT read body, chassis or network codes; confirm exact-vehicle compatibility before buying.
- Read & clear engine (P) codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth scanner with a companion app that reads beyond the engine module — ABS, SRS and transmission — plus manufacturer-specific codes on many vehicles.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X V3.0 Elite OBD-II Scanner
by LAUNCH
Handheld scanner covering the four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level tablet with all-system coverage and bi-directional control, so you can command a module rather than only read it.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
What you can do yourself, and what needs a shop
Reading the code, clearing it, and watching whether it returns is a driveway job with the right scanner. These steps are not:
- Module programming or software updates — needs the manufacturer software or a J2534 pass-through with a paid subscription.
- Replacing a control module — most are VIN-programmed and immobilizer-registered, so a new one does nothing until it is coded to your car.
- Airbag/SRS component work — a stored fault can deploy a live device.
If the vehicle is still under warranty, check for an open recall or technical service bulletin before buying anything — the repair may already be covered.
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FAQ
What does P000A mean?
P000A stands for ""A" Camshaft Position Slow Response (Bank 1)." A generic SAE-defined code for engines with variable valve/cam timing (VVT/VCT). The PCM commands the bank 1 'A' camshaft (normally the intake cam) to a target position and monitors the actual position via the camshaft position sensor. P000A sets when the camshaft moves toward the commanded position too slowly, or fails to reach it within the calibrated time, indicating the phaser is not responding at the expected rate. On Ford EcoBoost engines this is the classic signature of oil-control or phaser wear that also produces cold-start timing rattle.
What are the most common causes of P000A?
The most common causes of P000A are: Low, degraded, contaminated or wrong-viscosity engine oil restricting phaser response, Clogged or stuck oil control valve (VCT solenoid) or blocked oil feed passages / screens, Worn cam phaser (excess internal leakage or worn locking pin), Stretched timing chain, worn guides or failed chain tensioner, Wiring, connector or driver fault on the VCT solenoid circuit, Extended oil change intervals causing sludge in the VCT circuit. The specific cause varies by vehicle.
How much does it cost to fix P000A?
Repair costs for P000A range from $1,500 to $4,500, depending on the vehicle and root cause.
Which vehicles are affected by P000A?
Au7o has documented P000A across 2 vehicle models from 1 manufacturers: Ford.
Sources (6)
- ForumTiming chain rattle - Ford Flex Forum
- ForumRattle coming from engine on a cold start - Ford Flex Forum
- ForumTiming Chain Information - Ford Flex Forum
- Forum2.7 EcoBoost Cold Start Noise / Rattle - 2015+ Edge & MKX Generation II - Ford Edge Forum
- Forum2023 2.7 Engine Rattle. Cam Phasers? - Bronco6G Forum
- ForumCold Start Rattle - Ford Truck Enthusiasts Forums
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.