OP
OP
Joseph Garcia
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- Aug 2, 2018
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I have a question for you folks who have the Z55 suspension and have recorded Tech 2 snapshot data regarding its functions. Specifically, the Damper Actuator Commands for each of the 4 electric shocks, and their % range of dampening while driving.
I am learning more about my Tech 2, and I practiced by monitoring the function of the electric Damper Actuators in all 4 shocks in real time while driving, and what I noticed is that they all stay on 0% pretty much all of the time. The only time that they consistently move above 0%, is when I brake to a stop, with my foot staying on the brake pedal, such as at a stop light. Then, all 4 Damper Actuators show 20%, until I release the brake and start to move forward. Then, all 4 Damper Actuators revert to 0%. Occasionally, I see one or more of the Damper Actuators go to 20%, but never above that. I have no DTC codes related to the suspension.
So, today, I tried out the Tech 2 Snapshot recording and playback process, figuring that the Damper Actuators may be operating between 0% and 95%, but the changes may be occurring too fast for me to see them in real time on the Tech 2, since the actuators can respond to changes within 20 milliseconds. So, I recorded all 4 of the Damper Actuators (3 at a time), and I drove over a dirt road, complete with potholes, rippled bumps and washouts, and tight curves, just to be sure that the electric suspension would have many changes to respond to. When I reviewed the snapshot recordings plots on my Tech 2, the behavior was the same as my real time observations. ==>> The Damper Actuators typically stayed at 0% and occasionally went up to 20% (typically all 4 Damper Actuators changing in unison), but no higher than 20%, even though the Tech 2's vertical axis on the plot showed a potential Damper Actuator range of 5% to 95%.
I not believe that this is expected behavior for the Z55 suspension electric Damper Actuators, but I'd like to hear from you who have the Z55 suspension, and who have observed their operation with the Tech 2 or a similar scanning/programming tool. All of the suspension components are either brand new, or operating within spec, as observed on the Tech 2. The only 2 significant suspension components that have not been replaced are the suspension control module (15095254) and the yaw rate sensor (25930324).
Please give me your thoughts.
I am learning more about my Tech 2, and I practiced by monitoring the function of the electric Damper Actuators in all 4 shocks in real time while driving, and what I noticed is that they all stay on 0% pretty much all of the time. The only time that they consistently move above 0%, is when I brake to a stop, with my foot staying on the brake pedal, such as at a stop light. Then, all 4 Damper Actuators show 20%, until I release the brake and start to move forward. Then, all 4 Damper Actuators revert to 0%. Occasionally, I see one or more of the Damper Actuators go to 20%, but never above that. I have no DTC codes related to the suspension.
So, today, I tried out the Tech 2 Snapshot recording and playback process, figuring that the Damper Actuators may be operating between 0% and 95%, but the changes may be occurring too fast for me to see them in real time on the Tech 2, since the actuators can respond to changes within 20 milliseconds. So, I recorded all 4 of the Damper Actuators (3 at a time), and I drove over a dirt road, complete with potholes, rippled bumps and washouts, and tight curves, just to be sure that the electric suspension would have many changes to respond to. When I reviewed the snapshot recordings plots on my Tech 2, the behavior was the same as my real time observations. ==>> The Damper Actuators typically stayed at 0% and occasionally went up to 20% (typically all 4 Damper Actuators changing in unison), but no higher than 20%, even though the Tech 2's vertical axis on the plot showed a potential Damper Actuator range of 5% to 95%.
I not believe that this is expected behavior for the Z55 suspension electric Damper Actuators, but I'd like to hear from you who have the Z55 suspension, and who have observed their operation with the Tech 2 or a similar scanning/programming tool. All of the suspension components are either brand new, or operating within spec, as observed on the Tech 2. The only 2 significant suspension components that have not been replaced are the suspension control module (15095254) and the yaw rate sensor (25930324).
Please give me your thoughts.
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