2006 Audi A6 Quattro 4.2 - Adaptive air suspension
Made it through the winter fine.
But yesterday, rear was all the way down.
In the past: VAGcom, module 34, clear codes, run output test (runs the compressor), then security login (31564) and adaption to bring up the car again.
Tried the above, but no luck.
cleaned all the connectors at the compressor, valve block, etc, dielectric grease.
Took the cover off the ECU box (passenger side engine bay, close to windshield). Found water standing in bottom of box, and relays, fuses corroded. Cleaned contact, put new fuses (40A and 50A) and new relay (40 amp) in, dielectric grease.
Erased codes. Only code coming back:
01437 - Control Position not Learned
005 - No or Incorrect Basic Setting / Adaptation - MIL ON
Tried procedure above again. But during output test, "lower front left", "lower front right" do NOT result in lowering (front is not (yet) all the down, only rear), and response is "test ok".
Yet, when trying the adaption (after security login), going to channel 1, the 'wait' never goes to 'low level', then 'high level', but times out with error.
What else can I check, try, verify?
Made it through the winter fine.
But yesterday, rear was all the way down.
In the past: VAGcom, module 34, clear codes, run output test (runs the compressor), then security login (31564) and adaption to bring up the car again.
Tried the above, but no luck.
cleaned all the connectors at the compressor, valve block, etc, dielectric grease.
Took the cover off the ECU box (passenger side engine bay, close to windshield). Found water standing in bottom of box, and relays, fuses corroded. Cleaned contact, put new fuses (40A and 50A) and new relay (40 amp) in, dielectric grease.
Erased codes. Only code coming back:
01437 - Control Position not Learned
005 - No or Incorrect Basic Setting / Adaptation - MIL ON
Tried procedure above again. But during output test, "lower front left", "lower front right" do NOT result in lowering (front is not (yet) all the down, only rear), and response is "test ok".
Yet, when trying the adaption (after security login), going to channel 1, the 'wait' never goes to 'low level', then 'high level', but times out with error.
What else can I check, try, verify?
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