P0346
High SeverityCamshaft Position Sensor A Range/Performance (Bank 2)
Engine System
What Does P0346 Mean?
Bank 2 cam sensor signal is out of expected range.
Common Fix
Replace cam sensor
Estimated Cost (DIY)
$15 - $50
Common Causes
How to Diagnose P0346
- 1Check sensor
- 2Compare cam/crank
- 3Check chain
OEM Diagnostic Flowchart
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Read live data and freeze frame for P0346 to pinpoint the cause before buying parts.
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Related Resources
Repair guides, symptom pages, and wiring diagrams related to P0346.
OEM Manual Evidence
Browse →A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Terrain AWD V6-3.6L Service Manual | Operation CHARM Operation CHARM : Car repair m...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Terrain FWD V6-3.6L Service Manual | Operation CHARM Operation CHARM : Car repair m...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Acadia FWD V6-3.6L Service Manual | Operation CHARM Operation CHARM : Car repair ma...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Acadia AWD V6-3.6L Service Manual | Operation CHARM Operation CHARM : Car repair ma...
Related Symptoms
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Exact Repair Workflows
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Open the exact repair flow most commonly associated with P0346 on this vehicle.
Open the exact repair flow most commonly associated with P0346 on this vehicle.
Open the exact repair flow most commonly associated with P0346 on this vehicle.
Open the exact repair flow most commonly associated with P0346 on this vehicle.
Related Codes
No signal from the bank 2 cam sensor.
Cam sensor signal is irregular or does not correlate with crank sensor.
The crankshaft and exhaust camshaft positions on bank 1 are out of sync. Similar to P0016 but for the exhaust cam. Often points to timing chain issues.
Frequently Asked Questions
- Is this the same diagnosis as P0341?
- Yes, same process on bank 2.
- Should I replace both cam sensors?
- Only if both are failing. Replace the one that triggered the code.
Related Repair Guides
If your vehicle has triggered P0346, these DIY repair guides may help:

