LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 213 (Engine Controls - Self-Diagnostics - 3.0L) >> Diagnostic Tests >> DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 Or P2610: ECM Memory >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Did you perform the Diagnostic System Check - Engine Controls? If yes, go to next step. If no, go to DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS .
  2. Is DTC P0602 set? If yes, go to next step. If no, go to step  5.
  3. Program the ECM. See ENGINE CONTROL MODULE  under PROGRAMMING. Recheck for DTCs. Does the DTC reset? If yes, go to next step. If no, go to step  6.
  4. Ensure that all tool connections are secure. Ensure the programming equipment is operating correctly. Ensure the correct software/calibration package is used. Attempt to program the ECM. See ENGINE CONTROL MODULE  under PROGRAMMING. Recheck for DTCs. Does the DTC reset? If yes, go to next step. If no, go to step  6.
  5. Replace ECM. Perform ECM relearn procedures. See ENGINE CONTROL MODULE  under PROGRAMMING. After replacing ECM, go to next step.
  6. Clear the DTCs with a scan tool. Turn ignition off for 30 seconds. Start engine. Did the DTC fail this ignition? If yes, go to step  2. If no, go to next step.
  7. Observe the Capture Info with a scan tool. Are there any DTCs that have not been diagnosed? If yes, diagnose affected DTC(s). See DIAGNOSTIC TROUBLE CODE DEFINITIONS . If no DTCs are displayed, system is okay.
scientia non olet · About LEMON Manuals