2003 Volkswagen Beetle trouble codes

Tiny
TEW
  • MEMBER
  • 2003 VOLKSWAGEN BEETLE
  • 4 CYL
  • 2WD
  • MANUAL
  • 52,364 MILES
I have 2 codes that come up and cause my check engine light to come on. Po 236 & po 238. Poertrain codes for turbo charger boost system and circuit sensor voltage high. Could you tell me what i'l have to do to fix this problem. Hopefully just some sensor re[placement. It happens whenever the car has been killed by stalling with the clutch. Thanks. Tom
Friday, April 25th, 2008 AT 2:34 PM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Those are codes for the "air charge sensor" located on the intercooler (RF fender) unplug it and turn key on to check for ref voltage Term 1 - 3 should be 4.5 volts


https://www.2carpros.com/forum/automotive_pictures/1639_conn_1.png



beyond that it may be a bad controller or PCM or charge sensor if reference voltage is good
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Saturday, April 26th, 2008 AT 8:18 AM

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