The P0123 trouble code indicates that the Engine Control Module (ECM) or Powertrain Control Module (PCM) detected high output voltage from the throttle position sensor A. This code sets when the output voltage reaches higher than 4.5 for over two seconds. The throttle position sensor (TPS) is a resistor that changes the value according to the

my daughter 200 jeep grand Cherokee v8 codes are p0202,p0420, p0432, p0456 I have replaced injector 2 and tuned up all plugs and coil2 fixed for a while but 400 codes keep coming back along with p0202 … read more

I have a 2009 Silverado 1500 – 6 cyl that my reader shows as having diagnostic code P0700 – sub code $07e8, and sub #2 is – $07e8pd. The diagnostic reader says it’s a transmission code. After more research I have found that it “could” be a faulty Volume/Mass air flow sensor, which is very easy to replace.
Did the ignition on/off, on/off, on and the P0700 code displayed. Searched the board and many messages came back regarding the transmission speed sensors. There are actually 2 - an input and an output. Bought the speed sensor from the dealer - p/n 4799061AB - cost $59.70. Based on the board, I guessed it was the output (back drivers side of Jeep Cherokee Code Readers & Scanners. Jeep Cherokee. Code Readers & Scanners. Sort by. 1 - 30 of 346 results. Autel® MaxiSYS MS906 Pro™ OBD-II Bi-Directional Diagnostic Scan Tool. 0. $1,595.00 - $2,590.00. Autel® MaxiSYS™ 1 Year Update and Warranty Total Care Program Card.

Cosku Arsiray. Before 1996 they use onboard diagnosis system for jeep. when you turn on key you need to count check engine light blinks. here are codes taken from internet. 11* No crank reference signal detected during engine cranking. 12* Direct battery input to PCM was disconnected within the last 50 key-on cycles.

You will find below several pictures which will help you find your OBD connector in your Jeep Grand Cherokee WJ (1998 - 2005). The OBD socket is located under the steering wheel on the left. The OBD2 plug is above the hood lever. Find a compatible scanner for Jeep Grand Cherokee WJ (1998 - 2005)
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ne coil pack, new plugs, new fuel filter, air filter,, you name it , its been put on and all the Cherokee tricks have been tried., unplug neg cable, 3 time turn the keys, put code reader on reset code,, Jeep runs bust still shows the same code P0351,,, Im at at a loss..PJ
Step 4. Scroll to the "erase codes" option displayed on the on-screen menu. Some scanners also feature an erase button option. If so, press erase. If you had to scroll to the option, press the "enter" or "send" button. Some scanners may ask if you're sure you want to erase the codes.
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  • jeep grand cherokee code reader