What it means
The camshaft position signal output circuit voltage is above the expected level. This code does not specify a camshaft A sensor or bank.
At a glance
- Usually lights the check-engine light
How it works
The camshaft position signal output circuit carries a timing signal from the engine controller to a connected system or module. P2616 sets when the output voltage is above the expected level, commonly from a short to battery voltage or an open output driver; it does not identify a specific camshaft, bank, or sensor.
Common causes
Most likely first.
- Output wire shorted to B+
- Output buffer open
- Connector pins corroded - high contact resistance
Symptoms
- Check-engine light
- Engine may crank longer, run poorly, or fail to start
How to diagnose it
- Save freeze-frame data and related timing codes, and note any hard starting or rough running.
- Inspect the camshaft signal output harness and connectors for damaged insulation, loose plugs, corrosion, or backed-out terminals.
- With the circuit isolated as specified by service information, test the output wire for a short to battery voltage.
- Check the output wire and connector terminals for an open or poor connection that could leave the line high.
- If the harness checks out, test the controller's signal output using the manufacturer's procedure.
Common fixes
- Repair output-wire insulation that is contacting a battery supply.
- Restore a loose, corroded, or backed-out connector terminal.
- Repair an open or damaged section of the output circuit.
- Repair or replace the controller only if testing confirms its output driver is faulty.
Can I keep driving?
If the engine runs normally, driving may be possible for a short distance, but extended cranking, poor running, or a no-start may occur. Avoid journeys where a sudden loss of engine operation would be unsafe.
A code shows where the control module detected a fault, not always which part failed. Check the causes in order and confirm with a test before replacing parts. Have several codes? Check them together
This is a generic code: it means the same on every make. The car’s maker may add more detail in its own service information.