Why does my scan tool not power up?
The Tech 2 makes it simple because the tool does not have it’s own battery supply. therefore if the scan tool will not power up there is a basic problem with power or ground to the DLC. Many scan tools now have their own battery supply.
What does it mean when a scan tool does not communicate?
Many scan tools now have their own battery supply. When this condition is encountered you generally end up at a screen that states that the module will not communicate. Not a big deal if you know your tool and realize you need to check those circuits.
Why is my Sparky scan tool not communicating?
When this condition is encountered you generally end up at a screen that states that the module will not communicate. Not a big deal if you know your tool and realize you need to check those circuits. Unfortunately many times a technician is thrown off by this and starts looking for problems with the data communication lines.
How does the PCM receive the battery voltage?
ADDITIONAL NOTES PCM receives battery voltage (B+) through a fuse or fusible link. Check for an open circuit. An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting.
The Tech 2 makes it simple because the tool does not have it’s own battery supply. therefore if the scan tool will not power up there is a basic problem with power or ground to the DLC. Many scan tools now have their own battery supply.
Why does my car scanner say ” linking error “?
The car has no major mods.. I could figure out why It wouldnt read> I was about to give up and I tried telling the scanner my car was a 96 and it worked. It kept saying communications error unable to communicate with vehicle check power and grounds etc.
What to do if the OBD II scanner doesn’t communicate with the vehicle?
What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.
Many scan tools now have their own battery supply. When this condition is encountered you generally end up at a screen that states that the module will not communicate. Not a big deal if you know your tool and realize you need to check those circuits.
What causes a Pontiac Montana to not start?
While the battery cables are not necessarily the most likely issue to cause your Montana to not start, they are some of the easiest to diagnose. You can take a look at the battery poles where the cables connect. If there appears to be green or white corrosion all around it, cleaning them may help get you back on the road.
What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.
Why is my scanner not connecting to my cel?
(Additional user comment) If scanner cannot connect and CEL does not come on, the problem is most likely the ignition switch. helpful? I have checked all the fuses and they are all in good working order.