Before suspecting a computer problem, perform a careful visual inspection. Check under
the hood for the same kinds of problems you would look for on a non-computer
controlled engine. These include fluid leaks, vacuum leaks, dirty filters, overheating, oil
burning, poor connections or loose wires, bad spark plug wires and/or spark plugs,
restricted mufflers and exhaust systems, worn mechanical parts, exhaust leaks, and
other familiar kinds of problems. Be thorough! You may save a lot of time. The PCM is
designed to withstand normal current draws associated with vehicle operations. Avoid
overloading any circuit.
PROCEDURE
A Tech II or equivalent Scan tool must be used to check or clear Diagnostic Trouble
Codes (DTCs) from the PCM memory. When clearing DTCs, follow the instructions
supplied by the Scan tool manufacturer.
Once a DTC has been identified, contact the Painless tech dept. or a GM
Service Manual for a procedure to identify why a particular code is being set.
Do not assume a code for a component is the result of the component being
faulty.
We have attempted to provide you with the most accurate
instructions possible, and are always concerned about
corrections or improvements that can be made. If you have
found any errors or omissions, or if you simply have comments
or suggestions concerning these instructions, please write us
at the address on the cover and let us know about them. Or,
better yet, send us a fax at (817) 244-4024. We sincerely
appreciate your business.
Painless Performance Limited Warranty
and Return Policy
Chassis harnesses, fuel injection harnesses, and Striker ColdShot units are covered under a lifetime
warranty.
All other products manufactured and/or sold by Painless Performance are warranted to the original
purchaser to be free from defects in material and workmanship under normal use. Painless Performance
will repair or replace defective products without charge during the first 12 months from the purchase
date. No products will be considered for warranty without a copy of the purchase receipt showing the
sellers name, address and date of purchase. You must return the product to the dealer you purchased it
from to initiate warranty procedures.
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