Diagnostic Test - P1C86-14

WARNING: This page is about a different variant/trim than selected.

CHECK AN ACTIVE DTC
1. Turn ignition ON, engine NOT running.
2. With the scan tool, read DTCs and environmental data and record on the repair order
3. With the scan tool, clear the DTC.
4. Using the Environmental Data recorded earlier, try to duplicate the conditions in which the DTC set. It may be necessary to test drive the vehicle.
5. With the scan tool, read ESM DTC's.
  Did DTC P1C86-14 return?
  
  Yes
  - Using the schematics as a guide, check the ESM and PRNDM Display terminals for corrosion, damage or terminal push out. Pay particular attention to power and ground circuits. Check Service Information and Service Bulletins for possible causes that may apply. If no trouble is found, replace the PRNDM Display first and retest. If the code returns, replace the ESM. Refer to REMOVAL .
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Go To 2
INTERMITTENT WIRING AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle the wiring and connectors while checking for any possible open or shorted circuits.
4. Check for any Service Information or Technical Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Test Complete.