first code p1602

1998 AUDI A4
140,000 MILES
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CHRISTOPHER EJOBOJA
  • MEMBER
  • 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 12:51 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
so how are battery alternator?
Mar 9, 2012 at 4:33 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
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 9, 2012 at 4:38 PM
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