Table of Contents
Can you read OBD1 codes with an OBD2 scanner?
It is not possible for an OBD2 scanner to readily read codes from an OBD1 scanner because they use different technology. However, with the use of an emulator, it is possible to use an OBD2 scanner as a code reader for data from an OBD1 scanner.
What is the pin for OBD2?
Tap on it to pair your phone/tablet with OBD2 adapter. Adapter would ask you for PIN-code. If you don’t know PIN code, check your adapter documentation. Usually it’s “1234”, “0000”, “7890” or “1111”.
Do OBD1 adapters work OBD2?

OBD1 and OBD2 diagnostic systems are entirely different and do not put out the same data. The data they put out are designed for two entirely different interfaces. Using an OBD2 – OBD1 adapter cable on an OBD2 scanner will be useless.
What is the difference between OBD1 and OBD2 connectors?
OBD1 is connected to the console of a car, while OBD2 is remotely connected to the vehicle. 2. OBD1 was used during the earlier years of the car manufacturing industry, while OBD2 was only introduced in car models produced in the early 1990’s.

How do I find my GM OBD1 code?
How to Read OBD1 Codes at Home. Our reading method without a diagnostic tool is to make short the circuit of pin A and pin B. The car will then enter the diagnostic mode and flash the “check engine Light” several times, and we should count the flashes to figure out the diagnostic codes.
What is the 12 pin ALDL OBD1 Bluetooth scanner/code reader?
Our ’12 Pin ALDL OBD1 Bluetooth Scanner / Code Reader / Adapter’ allows for the monitoring and recording of General Motors (GM) vehicle performance data to the user’s Android device. This adapter can be used with our own ‘ALDL Scan’ Android application.
What is OBD-key battery protection?
Battery saving technology which prevents the OBDKey from keeping the vehicle ECU systems awake for longer than is really needed. Regular battery checks should be carried out if you leave any device permanently connected to your vehicle.
Does the ELM327 OBD2 device come with any paper?
Show activity on this post. The infamous ELM327 OBDII device came without any paper, just a crappy CD with no document related to the device (only some software and drivers thrown on the CD almost randomly). What other PINs should I try?
What is supersuper obdkey?
Super advanced multi-protocol auto-detect processes. Further custom protocol support also available. OBDKey connects to more OBD-II and pre-OBDII vehicles than any other scan tool adapter on the market in this class.