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air suspension 143 Damping Adjustment Valve problem


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Parked my 04CTT on a slope for the day. started the car in the hot afternoon and the following problem occurred:

air suspension work shop.

Durametric shows the following code:

143 Damping Adjustment Valve front right

Electrical fault

after deleting the code and drive it around, the same 143 code came back again and with another error:

1437 Control Position not learned

No/incorrect coding/calibration

I checked the actual value:

shock absorber valve current FR 0.000A while the other 3 are around 0.04A while car is parked

the level control seems okay and car drives normal.

does it mean that I have to replace the whole front right shock?

thanks guys

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Sorry, my typo... let's try this...

Fault code 0143 -- Damping adjustment valve, front right
Possible cause of fault
- Short circuit to ground or open circuit in the wiring of pin 116 of the level control module (electrical fault in electric circuit)
- Short circuit in pins 116 and 118 of the level control module wires with respect to each other (electrical fault in electric circuit)
- Short circuit to B+ in the wiring of pin 116 of the level control module (electrical fault in electric circuit)
- Short circuit to B+ or open circuit in the wiring of pin 118 of the level control module (electrical fault in electric circuit)
- Short circuit to ground in the wiring of pin 118 of the level control module (electrical fault in electric circuit)
- Damping adjustment valve faulty
- Level control module faulty
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Loren thank you for your support.

I took apart the connectors near the lower end of the struct.(there are two connectors, one is acceleration sensor, the other is, I suppose, the struct absorber valve) and cleaned them up. the code was gone, at least for one night. I will see if it comes back, hopefully not, and let you guys know.

Roy

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