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DTC P0615: Starter Relay Output Driver Module Circuit Malfunction

  1. If diagnostic system check was not performed, perform ENGINE ELECTRICAL DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. If diagnostic system check was performed, go to next step.
  2. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel. Turn ignition switch to RUN position. Cycle ignition switch from RUN to START positions. If starter relay clicks with each command, problem is intermittent. Check wiring and connections. If starter relay does not click with each command, go to next step.
  3. Turn ignition switch to OFF position. Remove starter relay from underhood fuse block. Underhood fuse block is located on left front corner of engine compartment. Turn ignition switch to RUN position. Connect a test light between good ground, and probe starter relay socket No. 85 (Dark Green wire). If test light illuminates, go to next step. If test light does not illuminate, go to step  8.
  4. Connect a test light between starter relay sockets No. 85 (Dark Green wire) and 86 (Yellow/Black wire). Cycle ignition switch from RUN to START positions. If test light illuminates ON and OFF with each command, go to step  6. If test light does not illuminate ON and OFF with each command, go to next step.
  5. Test starter relay control circuit for a short to voltage or an open. See WIRING DIAGRAMS . If problem exists, repair circuit as necessary. After repair, go to step  11. If problem does not exist, go to step  7.
  6. Inspect starter relay for poor connections. If problem exists, repair as necessary. After repair, go to step  11. If connections are okay, go to step  9.
  7. Inspect Powertrain Control Module (PCM) for poor connections. If problem exists, repair as necessary. After repair, go to step  11. If problem does not exist, go to step  10.
  8. Repair battery positive voltage circuit of starter relay, then go to step  11.
  9. Replace starter relay, then go to step  11.
  10. Replace PCM. Program PCM. See BODY CONTROL MODULES - CAMARO & FIREBIRD article. Go to next step.
  11. Review and record scan tool Fail Records data. Using scan tool, clear DTCs. Operate vehicle within Fail Records conditions as noted. Using scan tool, observe Specific DTC Information for DTC P0615. If scan tool indicates DTC P0615 failed this ignition, go to step  2. If scan tool indicates DTC P0615 passed this ignition, system is okay.
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