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CEL Code help

dhrecon
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dhrecon Member

dhrecon

Posted
Posted

Hey guys,

I just got a CEL P0030 - Heater Control, and P0134 -02 Circuit no activity. My car only has 40K and i am thinking it is a false alarm. Anybody here have experience with these CEL's? Thanks.

Dean

wross996TT Member

wross996TT

Posted
Posted

MY and model of car please...

P0030 & P0134...Oxygen sensor heater in front of

catalytic converter, bank 1:

check the sensor connection,

sensor faulty,

DME faulty

I would check connections and reset the codes (disconnect battery if you don't have a code clearer)

  • Admin
Loren Member

Loren

Posted
  • Admin
Posted
Hey guys,

I just got a CEL P0030 - Heater Control, and P0134 -02 Circuit no activity. My car only has 40K and i am thinking it is a false alarm. Anybody here have experience with these CEL's? Thanks.

Dean

P0030 H02S Heater Control Circuit

Possible cause of fault

- Open circuit

P0134 02 Sensor Circuit No Activity Detected

Possible cause of fault

- Short circuit in oxygen sensor wiring

- Oxygen sensor faulty (heater coupling or heating)

- DME control module faulty

You could erase the faults and see if they come back.

dhrecon Member

dhrecon

Posted
  • Author
Posted
Hey guys,

I just got a CEL P0030 - Heater Control, and P0134 -02 Circuit no activity. My car only has 40K and i am thinking it is a false alarm. Anybody here have experience with these CEL's? Thanks.

Dean

P0030 H02S Heater Control Circuit

Possible cause of fault

- Open circuit

P0134 02 Sensor Circuit No Activity Detected

Possible cause of fault

- Short circuit in oxygen sensor wiring

- Oxygen sensor faulty (heater coupling or heating)

- DME control module faulty

You could erase the faults and see if they come back.

Thanks for the response! It's a 2002 and because of the low miles i did erase the faults thinking it was a false alarm, but unfortunately it came back. Are any of these difficult fixes? I am thinking of attempting to fix myself. Thanks again. BTW i have been trying to donate but the system has not been accepting my cc. Can i send a check?

dhrecon Member

dhrecon

Posted
  • Author
Posted
MY and model of car please...

P0030 & P0134...Oxygen sensor heater in front of

catalytic converter, bank 1:

check the sensor connection,

sensor faulty,

DME faulty

I would check connections and reset the codes (disconnect battery if you don't have a code clearer)

2002. Thanks for the reply, i will look into it!

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