How to Reset Electronic Throttle Control on Jeep Grand Cherokee: A Comprehensive Guide

It was a snowy day, and we were driving back home after a visit to the store to refuel our diesel. Suddenly, a light started flashing on the dashboard, and we were baffled about what it could be.

We decided to use a Greendale 172 scanner to read the codes and figure out the issue. After connecting the scanner and communicating with the ECU, we received a series of error codes: 0807, 0806, 075, 0674, and 0673. Upon further investigation, we found out that 0707 and 0808 referred to fuel pressure, while 0674, 0675, and 0673 were related to glow plugs.

Upon conducting a Google search and reading the manual, we learned that the flashing light indicated a problem with the throttle control sensor. Fortunately, the manual provided a reset procedure for this issue.

The reset process involved turning the key off, turning it to the on position, waiting for all the lights to go out except the check engine light, pressing the accelerator to the floor, turning the key off, turning it on, and then starting the vehicle. Surprisingly, the light stopped flashing, indicating a successful reset of the throttle control sensor.

After this experience, we wanted to share this troubleshooting tip with other 2008 Jeep owners. For anyone facing a similar dashboard light issue, following this reset process could potentially resolve the problem.

What is the Greendale 172 scanner used for?

The Greendale 172 scanner is used to read the codes in a vehicle’s ECU (Engine Control Unit).

What do the error codes 007, 0806, 075, 074, and 073 indicate?

The error codes 007, 0806, 075, 074, and 073 are related to fuel pressure and glow plug issues in the vehicle.

How did they resolve the flashing light issue in the vehicle?

They resolved the flashing light issue by resetting the throttle control sensor using a specific process outlined in the vehicle’s manual. This involved turning the key off, turning it to the on position, waiting for all the lights to go out except for the check engine light, pressing the accelerator to the floor, turning the key off, and then starting the vehicle.

What is the suggested tip for addressing the flashing light issue?

The suggested tip for addressing the flashing light issue in a 2008 Jeep diesel model is to follow the process of resetting the throttle control sensor as outlined in the manual. This involves specific steps including turning the key off, waiting for all the lights to go out, pressing the accelerator pedal to the floor, and then slowly letting off before starting the vehicle.

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