first code p1602

1998 AUDI A4
140,000 MILES
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CHRISTOPHER EJOBOJA
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  • 2 POSTS
1998 Audi v62.8l quatro. i got the first code p1602 which says, power supply (b+) terminal 30;low voltage. the second code is p1545 which says, throttle valve control system malfunction. i dont know were to find problem.

the car starts but cannot run iedle
Mar 9, 2012 at 8:51 PM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
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so how are battery alternator?
Mar 10, 2012 at 12:33 AM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
SAE VAG Description
P1545 17953 Throttle Pos.Contr Malfunction

Notes:
If the throttle valve control module -J338- is removed and installed, or replaced, adaptation of the throttle valve control module to the Motronic ECM is required =>
Mar 10, 2012 at 12:38 AM
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