2018 GMC P0341: What It Means & Is It Safe to Drive?
P0341 on the 2018 GMC: Camshaft Position Sensor Range/Performance. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
What this code means
The camshaft position sensor signal is out of expected range or timing. Similar to P0340 but focused on performance rather than a hard fault.
Common causes on the 2018 GMC
- Weak camshaft position sensor
- Timing chain or belt stretched or jumped a tooth
- Wiring/connector problems
Symptoms
- Check Engine Light
- Hard starting, rough running, or stalling
- Reduced power or poor fuel economy
Typical fixes
- Replace camshaft position sensor
- Inspect and correct timing chain/belt issues
- Repair wiring/connectors
Repair cost range
For a 2018 GMC, repairs for P0341 typically fall between $150 and $1200, depending on the root cause and labor rates in your area.
Known issues on GMC
GMC Terrain 2.4L Ecotec P0341 is frequently a stretched timing chain—a known and documented weakness on this engine. Listen for a rattle at startup. On Sierra 5.3L, P0341 typically means a failed cam sensor. Canyon 2.5L four-cylinder also exhibits Ecotec timing chain stretch past 100k miles.
Most commonly affected models