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Actron CP9125 PocketScan Code Reader

by Actron
694 customer reviews
| 127 answered questions

List Price: $135.99
Price: $39.99 & FREE Shipping. Details
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  • Designed for novice and helps to read the status of why the check engine lights are on
  • Compatible on all new domestic and import vehicles including CAN
  • Enables the user to read OBD II diagnostic trouble codes (DTCs) from the on-board computers
  • Tool is updateable, accommodating future vehicles
  • Reader includes a one-year limited warranty
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Frequently Bought Together

  • Actron CP9125 PocketScan Code Reader
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  • Docooler Obd-ii Obd2 16pin Male to Female Extension Cable Diagnostic Extender 150cm (5ft)
Total price: $52.98
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Product Information

Technical Details
Item Weight12.8 ounces
Product Dimensions10.2 x 6.3 x 2 inches
Item model numberCP9125
Manufacturer Part NumberCP9125
OEM Part Number CP9125
Special Features Includes OBDII 16-pin connector, Includes software with 5,000+ trouble codes, Works for most cars and light trucks since 1996
Technical Specification
Additional Information
Best Sellers Rank #1,986 in Automotive (See top 100)
Shipping Weight2.4 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableJuly 7, 2004
Warranty & Support
Warranty, Parts: Parts

Product Warranty: For warranty information about this product, please click here [PDF]

Product Description

Product Description

Actron diagnostic scanners are the fast, easy way to diagnose and turn off your vehicle's Check Engine Light. All Actron scanners are compatible with vehicles from 1996 to present. They all display emissions status as well, which can save time and money when renewing your vehicle's registration. Each Actron scanner also provides access to, an online service that provides additional diagnostic and repair information.

If you need a compact, fast, and easy way to connect to your vehicle, read its trouble codes, and turn off the "Check Engine" light, look no further than the Actron CP9125 PocketScan Code Reader.

Read trouble codes and turn off your "Check Engine" light with the CP9125. View details.

The CP9125 is an easy-to-use tool for novice and moderately experienced do-it-yourself mechanics, enabling you to read OBD II diagnostic trouble codes (DTCs) from the on-board computers of 1996 and newer cars and light trucks. This gives you the ability to quickly determine the cause of the "Check Engine" light. Once repairs are made, the PocketScan lets you clear the trouble codes and turn off the light.

The highly compact CP9125 fits in the palm of your hand and quickly and easily links to your vehicle. Plus, the tool is updateable, offering compatibility with future vehicles. The attached OBD II 16-pin connector cable provides both data and power connections.

What's in the Box
Actron CP9125 PocketScan Code Reader and manual.

Manufacturer Warranty
One-year limited warranty.
Automotive Analysis Tools to Suit Every Need
With over 40 years of experience manufacturing affordable automotive diagnostic tools Actron features a product line that has something for everyone, regardless of your level of experience. Check out the table below for current models of Actron scan tools available and their available features. Click the model number at the top of the table for further details.

Actron diagnostic tool product comparision chart CP9125 CP9550 CP9575 CP9580A CP9185 CP9190

Customer Reviews

Most Helpful Customer Reviews

278 of 291 people found the following review helpful By Charles Daniel on December 1, 2005
I can't stand the concept of paying $100 just to have someone hook up a little cable underneath my dash to clear out a light. We've all had that conversation... "Oh wow, you fixed it already? You just needed to erase the code, huh? Wait, how much? You're kidding. I saw what you did, I was standing right here the whole time, it took 10 minutes." THAT COSTS $100?!?!?! This badboy will pay for itself the first time your check engine light comes on. I've used it 4 times on 4 different vehicles to crank out codes. It's worked on both my Nissans, my mom's Toyota, and my sister's Volkswagen. No doubt in my mind it will work with every vehicle. It's easy to use and fits in your coat pocket. It clears the trouble codes and turns off that worthless, annoying check engine light. When I had a code that didn't go away, I checked what code it was (in the included fault code manual), then went down to the dealership and told them what I had. They verified it, and went to work fixing it with no hassle. You know that feeling like you might have gotten screwed? I used to get that feeling. I hate that feeling. Thank God I don't get it anymore.
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60 of 62 people found the following review helpful By James Q. Smith TOP 1000 REVIEWER on June 24, 2007
Verified Purchase
3 weeks ago my CEL light came on. The car ran fine, there was no sensation of a defect. Calling the car dealership, a diagnostic ran $75. A Toyota TSB released in 2006 said a common issue was simply a loose gas cap. I tightened it, and waited for the CEL to reset. No go. Pulled the battery, nada. Ordered the reader, as I'll need it anyway for future issues as they arise. Followed the instruction, diagnosed the issue, checked what it meant via the user manual and a Toyota car manual, and presto, CEL is gone. For $47 versus the $75, not only is the problem fixed, I know how to do it [ priceless!] and I have a tool for myself to either check the dealership diagnosis or fix it myself, when possible.

It rates 4/5 for 3 reasons:

The cord is very short. The unit will not raise to a comfortable chest height connected to the OBD II jack; one has to crouch down

No back light, crouched in the dark under dash of the car, a small LED would help a ton, given how dark it is down there and the cabin light doesn't light well down here

The codes interpretation is on a printed manual. Its easy to find a pdf version to store on your phone or check the code live via a web search via a smartphone.

Other than that, its so simple to use, even a cave man can do it.
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188 of 207 people found the following review helpful By LIGUY on February 26, 2006
Verified Purchase
For reading basic failure codes and to clear them the unit works fine as advertised. However enclosed with the unit was a addendum to the manual which stated that the unit was updated to include " MIL status and I/M Monitor status". These functions did not work. When I called Actron's technical support after some confusion and investigation they determined that the unit had old software and therefore was not upgraded for these new functions. I send the unit back for upgrade and the unit was returned to me and was not upgraded at all! I called support again and they had no idea why it wasnt upgraded and requested that I send it in again. I probably will not send it in again and will keep it as it is with the basic functions.
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101 of 112 people found the following review helpful By big moose on February 1, 2006
Verified Purchase
What a neat little OBDII code reader! I have had a problem with my Land Rover "service engine" light coming on and I hate taking it to the dealer just to tell me that they cleared the code and could not find anything malfunctioning and charge me $100. Being a backyard mechanic I also want to know what is wrong and are they replacing the right parts or if it is something I can do, or something that can wait. In comes the Actron pocketscan. It a very slick tool for under $70 bucks. The only downside is that the code book and website are sub par. I actually have to go to their competitor's web site ( to get the codes for my Land Rover. Even though the Equus web site is much better, they do not have a code reader this small that will fit into the glove box or door panels as well. Actron should get their act together and get their code book and website up to the grade that Equus has.
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66 of 75 people found the following review helpful By G. Hoeppner on May 4, 2007
First off, this is a great little unit. I've only owned it for three weeks and I've already diagnosed and repaired two separate Service Engine Soon codes on my vehicle. More expensive units are available, but offer features I don't believe most people would need. This unit simply reads a trouble code one-at-a-time and gives you the options to (a.) read the next code, or (b.) delete the existing code.

That being said, this unit isn't for everyone. If you don't have any knowledge about how your engine works, or where things are, then I suspect you will have little use for this product. The ODB II codes read by the unit can be quite cryptic. For example, my first problem was P0133. The manual says "O2 Sensor CKT Slow Response (Bank 1, Sensor 1)." One of my O2 sensors was bad, but if you don't understand messages like this, you won't be able to fix your car. However, I will say an Internet search is more useful than just going by the standard ODB II messages. Also keep in mind that various codes can be related -- fixing a leaky vacuum hose might cause other codes to disappear.

In any case, I've found this unit to be extremely helpful, and it paid for itself nearly immediately. I'd much rather hunt down cheap parts on my own and use a little elbow grease to fix something myself rather than pay a mechanic.
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Actron CP9125 PocketScan Code Reader
This item: Actron CP9125 PocketScan Code Reader
Price: $39.99
Ships from and sold by