what does this code mean

Reply Subscribe

Thread Tools

Search this Thread

04-22-2006, 04:48 PM

ls12000

TECH Apprentice

Thread Starter

Join Date: Aug 2004

Location: HOUSTON, TX

Posts: 353

Likes: 0

Received 0 Likes on 0 Posts

what does this code mean

Service code engine on: Code reads P0135 something about Heat sensor 1of 2. Can anyone explain this and is this something that needs immediate replacement or fixing????? Thanks

Reply Like

04-22-2006, 04:55 PM

FatZ28

TECH Fanatic

iTrader: (1)

Join Date: Dec 2001

Location: Cleburne,Tx

Posts: 1,642

Likes: 0

Received 2 Likes on 1 Post

If I remember right it has something to do with the o2 sensor. I believe the heat sensor get the o2 up to temp. Might try a search for it.

Reply Like

04-22-2006, 05:28 PM

TX99LS1

On The Tree

Join Date: Feb 2006

Location: Fort Worth, Texas

Posts: 141

Likes: 0

Received 0 Likes on 0 Posts

im pretty sure that has something to do with your o2's, not positive though

Reply Like

04-22-2006, 05:40 PM

Venkman

TECH Fanatic

iTrader: (4)

Join Date: Nov 2002

Location: Not Austin, Texas

Posts: 1,263

Likes: 0

Received 0 Likes on 0 Posts

Just plugged it into the official DTC checker here at work (GM).

Results are:

P0135 Powertrain HO2S Heater Performance Sensor 1 Engine Controls
P0135 Powertrain HO2S Heater Performance Bank 1 Sensor 1 Engine Controls
P0135 Powertrain HO2S Heater Control Circuit Sensor 1