10 Top Camshaft Position Sensor 2012 GMC Terrain Options Reviewed
Is your 2012 GMC Terrain feeling a bit off? Maybe you’re noticing a rough idle, struggling with hard starts, or that dreaded “Check Engine” light has popped up on your dash. These symptoms often point to an issue with your vehicle’s camshaft position sensor. This tiny but mighty sensor plays a crucial role in your engine’s performance, ensuring precise timing for ignition and fuel delivery.
Finding the right replacement can feel like a chore, but don’t worry, we’re here to help! We’ve scoured the market to bring you a comprehensive review of the top 10 camshaft position sensor 2012 GMC Terrain options available, covering both L4 and V6 engine variants. Let’s dive in and get your Terrain running smoothly again!
Understanding Your Camshaft Position Sensor
Before we jump into the reviews, it’s good to know what a camshaft position sensor (often abbreviated as CPS or cam sensor) actually does. Essentially, it monitors the position and rotational speed of your engine’s camshaft. This data is then sent to your vehicle’s Engine Control Unit (ECU), which uses it to synchronize the ignition timing and fuel injection for optimal engine performance and efficiency. When this sensor goes bad, your ECU gets inaccurate information, leading to all sorts of drivability issues.
It’s important to note that the 2012 GMC Terrain typically came with either a 2.4L 4-cylinder engine or a 3.0L/3.6L V6 engine. The camshaft position sensor can differ significantly between these engine types, so always double-check compatibility with your specific engine before purchasing.
Our Top Picks for Camshaft Position Sensor 2012 GMC Terrain
Here are our top selections, chosen for their reliability, compatibility, and user feedback.
1. VVT Intake+Exhaust Camshaft Position Actuator Kit

This comprehensive kit stands out by offering not just a camshaft position sensor, but also intake and exhaust VVT (Variable Valve Timing) actuators and an engine crankshaft position sensor. If you’re looking for a multi-faceted solution to tackle engine timing issues or a range of diagnostic trouble codes (DTCs) like P0010, P0011, P0013, and P0014, this package could be your ideal fix. It’s designed for a wide range of GM vehicles, including the 2010-2017 GMC Terrain with 2.0L, 2.2L, or 2.4L engines.
- Key Features:
- Includes VVT Intake Solenoid (OE: 12655420, 917215)
- Includes VVT Exhaust Solenoid (OE: 12655421, 917216)
- Includes Camshaft Position Sensor (OE: 12577245, 917-720)
- Includes Engine Crankshaft Position Sensor (OE: 907-799, 12674703)
- Wide compatibility with 2.0L, 2.2L, 2.4L GM engines
- Pros:
- Provides a complete timing system overhaul with multiple sensors and actuators.
- Good value for money if you need all included components.
- Directly replaces original equipment parts.
- Cons:
- Might include parts you don’t actually need if only the cam sensor is faulty.
- Installation can be more complex due to multiple component replacement.
- User Impressions: Many users appreciate the completeness of this kit, finding it a convenient way to address various engine codes and restore overall engine performance. Some note the importance of verifying all OE numbers for their specific model.
2. Intake and Exhaust Camshaft Position Actuator VVT Solenoid Kit

Similar to our first pick, this is another all-in-one solution designed to boost your engine’s performance. It bundles intake and exhaust VVT solenoids with both the camshaft and crankshaft position sensors. This kit is specifically noted for helping maximize power, improve fuel efficiency, and reduce emissions by providing accurate timing data to your engine control unit. It’s a great option for the 2010-2017 GMC Terrain (with 2.0L, 2.2L, or 2.4L engines).
- Key Features:
- Comprehensive kit: Intake VVT, Exhaust VVT, Camshaft Position Sensor, Crankshaft Position Sensor.
- OE Part Numbers for all components are listed for easy verification.
- Designed to optimize ignition and fuel injection timing.
- Backed by a 12-month warranty for peace of mind.
- Pros:
- Addresses multiple potential timing-related issues at once.
- Aims to improve fuel economy and reduce engine emissions.
- Comes with a warranty, offering buyer confidence.
- Cons:
- Overkill if you only need the camshaft position sensor.
- Professional installation might be recommended for a full kit replacement.
- User Impressions: Customers often report that this kit effectively resolves persistent check engine lights and brings back smooth engine operation. The warranty provides an extra layer of reassurance for DIYers and mechanics alike.
3. 2Pcs Camshaft Position Sensor Fit for Chevy Equinox Malibu

If you’re specifically targeting the camshaft position sensor and need a reliable pair, this 2-piece set is an excellent choice. It’s compatible with the 2010-2017 GMC Terrain, specifically those with the 4-cylinder engine (common in the 2.4L variant). This product focuses solely on delivering accurate camshaft rotation angle and position signals to the ECU, directly addressing issues like hard starting, weak acceleration, or abnormal engine shaking.
- Key Features:
- Includes two (2) camshaft position sensors.
- Direct replacement for OE numbers like 917-720, 12577245.
- Plug-and-play installation for a hassle-free swap.
- Addresses common symptoms of a failing cam sensor.
- Pros:
- Good value by providing two sensors.
- Easy to install for most DIY enthusiasts.
- Targets the specific cam sensor failure without unnecessary components.
- Cons:
- Only suitable if your issue is strictly the camshaft position sensor (or sensors).
- Might not cover V6 engine Terrain models.
- User Impressions: Reviewers frequently praise the straightforward installation and the immediate resolution of their engine problems, such as rough idling and check engine lights. The two-pack is a bonus for many, allowing for replacement of both sensors if needed or keeping a spare.
4. Set of 2 Camshaft Position Sensor 12577245 Compatible with

This is another dual-pack of camshaft position sensors, explicitly compatible with the 2010-2017 GMC Terrain (likely targeting the L4 2.4L engine based on the widespread OE number 12577245). This set emphasizes its direct replacement design and plug-and-play installation, making it super accessible for anyone looking to do the repair themselves. Plus, it comes with an 18-month warranty, adding to its appeal.
- Key Features:
- Two (2) high-quality camshaft position sensors included.
- Reference OEM Numbers: 12577245, 917-720, SU8902, etc.
- Designed for direct, plug-and-play replacement.
- Comes with an 18-month worry-free warranty.
- Pros:
- Excellent value with two sensors for common replacement needs.
- Simple installation, even for beginners.
- Strong warranty period provides great confidence.
- Cons:
- Ensure your specific OE part number matches one of the listed cross-references.
- Check compatibility for your specific 2012 GMC Terrain engine (L4 recommended).
- User Impressions: Customers often highlight the perfect fit and the quick resolution of their vehicle’s symptoms after installing these sensors. The extended warranty is frequently mentioned as a significant plus, offering peace of mind.
5. A-Premium VVT Intake & Exhaust Camshaft Position Actuator Set

Unlike the comprehensive kits above, this A-Premium offering focuses specifically on replacing the Variable Valve Timing (VVT) Intake and Exhaust Solenoids. While not including a camshaft position sensor, these solenoids are critical for maintaining optimal engine performance and often fail, triggering codes like P0010, P0011, P0013, and P0014. If your diagnostics point to VVT solenoid issues for your 2010-2017 GMC Terrain (2.0L, 2.2L, 2.4L engines), this set is designed to fix those specific problems and restore lost power.
- Key Features:
- Contains 1 x Intake Solenoid and 1 x Exhaust Solenoid.
- Reference Numbers: 12655420, 917-215 (Intake); 12655421, 917-216 (Exhaust).
- Directly addresses common VVT-related check engine codes.
- Backed by a one-year unlimited-mileage guarantee.
- Pros:
- High-quality components from a reputable brand.
- Directly resolves common VVT solenoid failures.
- Excellent warranty coverage.
- Cons:
- Does NOT include a camshaft position sensor; purchase separately if needed.
- Only useful if your specific issue is with the VVT solenoids.
- User Impressions: Users report that these solenoids are effective at clearing VVT-related error codes and restoring smooth engine operation. The A-Premium brand generally garners positive feedback for quality and fitment.
6. A-Premium Engine Camshaft Position Sensor Compatible with

This single camshaft position sensor from A-Premium is a direct replacement specifically for the 2010-2017 GMC Terrain models equipped with the L4 2.4L engine. Emphasizing reliable ignition control and smooth acceleration, this sensor is designed to upgrade your engine performance and maintain precise timing. It’s a straightforward, high-quality component if you’ve diagnosed a faulty single camshaft position sensor.
- Key Features:
- Single camshaft position sensor, 3-pin connector.
- Compatible with 2010-2017 GMC Terrain L4 2.4L.
- Reference OE numbers: 917720, 12577245, 5S7412.
- Aims to improve engine performance and provide precise timing.
- One-year unlimited-mileage guarantee from A-Premium.
- Pros:
- High-quality and reliable brand.
- Direct fit for specific L4 2.4L Terrain.
- Excellent warranty period.
- Simple replacement process.
- Cons:
- Only one sensor included, so if you need more, you’d buy multiples.
- May not be compatible with V6 engine variants of the Terrain.
- User Impressions: Many customers attest to the sensor’s direct fit and its ability to quickly resolve their check engine light and rough idle problems. The A-Premium brand’s reputation for quality gives buyers confidence.
7. Camshaft Position Sensor Compatible with Chevy Equinox

This product, another 2-piece set of camshaft position sensors, offers broad compatibility, including the 2010-2017 GMC Terrain. Much like other dual-sensor packs, it’s designed to be a direct, plug-and-play replacement for your original cam shaft sensors. This is a solid option for addressing common symptoms like hard starting, weak acceleration, or the notorious malfunction light alarm that often indicates a failing sensor.
- Key Features:
- Includes two (2) camshaft position sensors.
- Wide compatibility, including 2010-2017 GMC Terrain (L4 engine emphasis).
- OE Part Numbers: 917-720, 12577245, 2131690, etc.
- Designed for easy installation: plug and play.
- Customer support team available for assistance.
- Pros:
- Economical choice with two sensors in one package.
- Simple and quick to install for DIYers.
- Directly tackles common camshaft sensor failure symptoms.
- Cons:
- Ensure it matches your specific engine type (primarily for L4).
- The brand might be less recognized than some others.
- User Impressions: Users report that these sensors are an effective and affordable solution for clearing check engine codes and restoring engine smoothness. The convenience of having two sensors is a recurring positive comment.
8. Engine Camshaft Position Sensor Compatible with 2010-2017 (V6 Specific)

This particular camshaft position sensor is distinct from many others on this list because it specifically targets the V6 3.6L engine in the 2010-2017 GMC Terrain (among other GM V6 models). If your 2012 GMC Terrain has the V6 engine, this sensor is designed to provide the precise camshaft rotation tracking needed for optimal spark timing and fuel injection. A faulty sensor can cause issues like stalling, hard starts, or misfires, which this direct replacement aims to fix.
- Key Features:
- Single camshaft position sensor.
- Crucial: Compatible with 2010-2017 GMC Terrain V6 3.6L engine.
- Reference OEM Numbers: 12615371, 917-745, PC908.
- Designed for direct, plug-and-play installation.
- 18-month worry-free warranty.
- Pros:
- Specifically designed for V6 3.6L Terrain models.
- High-quality replacement for smooth engine performance.
- Excellent warranty and dedicated customer support.
- Cons:
- Not for L4 engine Terrain models – verify your engine type!
- Only one sensor, so you’d need to buy multiple if your vehicle uses more than one.
- User Impressions: Owners of V6 Terrains appreciate finding a sensor that precisely matches their engine. They often highlight its effectiveness in resolving V6-specific check engine codes and restoring consistent engine operation.
9. SCITOO Camshaft Position Sensor Fit for Chevrolet Equinox (V6 Specific)

The SCITOO offering is unique as it provides a generous pack of four (4) camshaft position sensors, primarily fitting various V6 GM models, including the GMC Terrain. While the specific Terrain engine isn’t explicitly listed in the snippet, its OEM numbers (PC553, 12588992) and fitment for V6 engines (like Cadillac CTS 3.6L) suggest it’s likely intended for V6 3.6L Terrain variants if your OE number matches. This multi-pack is ideal if your V6 engine requires multiple cam sensors or if you want spares.
- Key Features:
- Four (4) camshaft position sensors included.
- Primarily for various GM V6 models.
- OE Numbers: PC553, 12588992, 96230, etc. (verify for V6 Terrain).
- Easy to install, “get rid of old parts and install new parts.”
- Blade terminal type, black color.
- Pros:
- Excellent value with four sensors in one package.
- Useful for V6 engines that often use multiple cam sensors.
- Simple replacement process.
- Cons:
- Critical: Double-check your 2012 GMC Terrain’s engine (V6 3.6L) and OE part number carefully, as this may not fit all V6 trims or L4.
- May be more sensors than you actually need for a single repair.
- User Impressions: Buyers find the four-pack to be incredibly convenient and cost-effective, especially for V6 engines that might have multiple sensors to replace. They generally find the installation straightforward and effective in resolving engine issues.
10. 12577245 Camshaft Position Sensor Compatible with Chevy

Rounding out our list is another reliable single camshaft position sensor, featuring the common OE number 12577245, making it a strong contender for the 2010-2017 GMC Terrain (most likely the L4 2.4L models). This sensor is designed for direct, plug-and-play installation, ensuring you can easily replace your old, faulty sensor without extensive adjustments. It’s a solid choice if you’ve confirmed only one sensor needs replacement for your L4 Terrain.
- Key Features:
- Single camshaft position sensor.
- Wide compatibility, including 2010-2017 GMC Terrain.
- Reference OEM Number: 12577245, 917-720, 2131690.
- Direct replacement with plug-in installation method.
- 18-month worry-free warranty.
- Pros:
- Easy and direct installation.
- Broad compatibility with many GM L4 models.
- Good warranty period for buyer assurance.
- Cons:
- Only one sensor, so not a multi-pack value.
- Verify fitment for your specific 2012 GMC Terrain engine type (L4 recommended).
- User Impressions: Customers report satisfactory performance, with the sensor effectively clearing diagnostic trouble codes and restoring smooth engine operation. The ease of installation is frequently highlighted.
Frequently Asked Questions (FAQ)
Finding the right camshaft position sensor for your 2012 GMC Terrain can be daunting, but armed with the right info, you’ll be set! Here are some common questions folks ask:
Q1: What are the common symptoms of a faulty camshaft position sensor in a 2012 GMC Terrain?
A: If your camshaft position sensor is going bad, you might notice your 2012 GMC Terrain experiencing a few common issues. These often include the “Check Engine” light coming on, difficulty starting the vehicle (especially when warm), rough idling, stalling, poor acceleration, reduced fuel economy, or even the transmission shifting roughly.
Q2: Can I drive my 2012 GMC Terrain with a bad camshaft position sensor?
A: While your Terrain might still run with a failing camshaft position sensor, it’s generally not recommended to drive it for long. A faulty sensor can lead to significant engine performance issues, decreased fuel efficiency, and potentially cause further damage to other engine components over time if the timing is consistently off. It’s best to replace it as soon as possible.
Q3: How difficult is it to replace a camshaft position sensor on a 2012 GMC Terrain?
A: For many 2012 GMC Terrain models, replacing the camshaft position sensor is considered a relatively straightforward DIY task, especially for the L4 2.4L engine. It often involves simply locating the sensor, unplugging its electrical connector, unbolting it, and then installing the new one. However, the exact location and ease can vary by engine type (L4 vs. V6) and specific vehicle configuration. Always consult your service manual or a reliable repair guide.
Q4: What’s the difference between a camshaft position sensor and a crankshaft position sensor?
A: Both sensors are vital for engine timing. The camshaft position sensor tracks the camshaft’s rotation, which dictates valve timing. The crankshaft position sensor monitors the crankshaft’s rotation, which determines piston position and engine speed. The engine control unit (ECU) uses data from both sensors to precisely time ignition sparks and fuel injection for optimal engine performance. They work in tandem, but serve distinct roles.
Q5: Will replacing the camshaft position sensor fix my “Check Engine” light?
A: If a faulty camshaft position sensor is the direct cause of your “Check Engine” light (often indicated by specific diagnostic trouble codes like P0340 or P0341), then yes, replacing it should clear the light. After replacement, you might need to clear the codes using an OBD-II scanner, or sometimes the light will turn off automatically after a few drive cycles.
Q6: How many camshaft position sensors does a 2012 GMC Terrain have?
A: The number of camshaft position sensors can vary depending on your 2012 GMC Terrain’s engine. The 4-cylinder (L4 2.4L) engines typically use one or two camshaft position sensors. However, the V6 3.0L or 3.6L engines often have multiple camshafts (and thus, multiple camshaft position sensors, usually four) to monitor the variable valve timing system effectively. Always check your specific engine configuration and OE part numbers.
Q7: What are the typical costs associated with replacing a camshaft position sensor?
A: The cost of the sensor itself can range from $20 to $100 or more, depending on the brand (OEM vs. aftermarket) and whether you’re buying a single sensor or a kit. If you’re doing it yourself, that’s your main expense. If you opt for professional installation, labor costs can add another $50 to $200 or more, depending on the mechanic’s rates and the complexity of accessing the sensor.
We hope this guide helps you find the perfect camshaft position sensor for your 2012 GMC Terrain and gets you back on the road with confidence! Remember to always double-check compatibility with your specific engine type and OE part numbers before making a purchase.
