the speed control 5 volt feed to be shorted to power. Accelerator Position Sensor (APPS) Signal APPS voltage input above the maximum acceptable. P0123 (M) Voltage Too High voltage. Insufficient Coolant Temperature for Closed Time to enter Closed Loop Operation (Fuel Control) P0125 (M) Loop Fuel Control is excessive.
Step 2 – Plug the device into the OBD port. Locate the OBD port under the dash on the driver's side of your Jeep, and plug in the device. Once you do so, you should see some diagnostic lights come on as the device starts to communicate with the vehicle. Figure 2. Plug in the OBD adapter.
Full-size SUV (Wagoneer), full-size luxury SUV (Grand Wagoneer). Long-wheelbase version is known as the Wagoneer L and Grand Wagoneer L. WRANGLER. Wrangler. 1986. 2018 ( JL ) 2023. Compact SUV (2-door), mid-size SUV (Unlimited and 4-door). A military variant based on the JK platform is known as Jeep J8.
2011 - WK - JEEP GRAND CHEROKEE - 5.7L V8 HEMI MDS V.V.T. (EZH) C15A1-00-UNABLE TO OBTAIN DESIRED RIDE HEIGHT When Monitored and Set Conditions • When Monitored: With the ignition on. • Set Condition: When the Air Suspension Control Module (ASCM) detects that the desired ride height has not been achieved after 20 seconds. Possible Causes FUSE
To do this, simply locate the diagnostic connector under the dash and insert the appropriate jumper wire into the connector. Then, turn the ignition key to the ON position and watch the check engine light for the codes. If your Jeep Grand Cherokee is from the 1995 model year or older, you’ll need to use a code reader to access the trouble codes.

MIL light on with code U0402. I had my Cherokee into the dealer about two weeks ago to get the S55 and R27 recall work done. S55 was a TCM reprogram and R27 was installing a cover over the liftgate module. 26k miles and I've never had the MIL light on, and a few days after the recall work, there it is. Using my Bluetooth obdii scanner, I scan

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    • jeep grand cherokee codes list