How to clear OBD-1 codes on GM 1982-1995?
The under dash cowl was removed prior to the test. Your vehicle should have pryed off w/a small screwdriver. To clear codes after repair, simply remove negative battery cable for a minute. It’s a good idea also to do this during the repair. Loading…
Do you need a scanner for GM OBD codes?
In which case a scanner is required. NOTE: Some 94 & 95 models that DO have the A & B terminals still require a scanner. All vehicles after 96 are OBDII,and require a scanner to access them. Diagnostic trouble codes may be cleared by disconnecting the battery ground cable for at least 20 seconds.
What does code 12 mean on GM OBD?
The system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive times, by flashing the “CHECK ENGINE”, “SERVICE ENGINE SOON” or “MALFUNCTION INDICATOR LAMP” or light. A Code 12 consists of one flash, a short pause, then two flashes in rapid succession.
Where can I Find my GM trouble code?
If you own a 1982 to 1995 GM car or truck, you just might be able to read your trouble codes for free! If you have a connector like this under your dash, read on… (note: this connector may have a black plastic cover over it, so also look for a cover shaped like this, sorry for the messy wires here)
How to read GM OBD diagnostic codes for free?
How to read the codes 1 Ground terminals A and B (see diagram below) with the ignition “ON” and engine not running. The system will enter the… 2 After Code 12 is displayed, any stored trouble codes will be displayed by flashing the “CHECK ENGINE”, “SERVICE… More
If you own a 1982 to 1995 GM car or truck, you just might be able to read your trouble codes for free! If you have a connector like this under your dash, read on… (note: this connector may have a black plastic cover over it, so also look for a cover shaped like this, sorry for the messy wires here)
Where is my OBD2 port in my car?
All vehicles are equipped with an OBD port to which you can connect your klavkarr diagnostic case. Sometimes, the most difficult thing is to find this port! In order to save you time, we have made available (for free) the information uploaded by our community of tens of thousands of users.