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DTC P0562: Testing

  1. Did you perform the DIAGNOSTIC SYSTEM CHECK - ENGINE ELECTRICAL? If so, go to next step. If not, go to DIAGNOSTIC SYSTEM CHECK - ENGINE ELECTRICAL .
  2. With the scan tool monitor the IGNITION 1 SIGNAL voltage in the PCM data list. Does the scan tool display Ignition 1 voltage greater than the specified value of 10.5V? If so, go to step  4. If not, go to next step.
  3. Test the ignition feed circuit to the PCM for high resistance or open. Did you find and correct the condition? If so, go to step  7. If not, go to step  5.
  4. Inspect for poor connections at the PCM. If you find a poor connection, repair the condition as necessary. Did you find and correct the condition? If so, go to step  7. If not, go to step  6.
  5. Repair the ignition feed circuit to the PCM for an open or a short to ground. After repair is complete, go to step  7.
  6. Replace the PCM. See POWERTRAIN CONTROL MODULE . After replacement is complete, go to next step.
  7. Select the DIAGNOSTIC TROUBLE CODE (DTC) option and the Clear DTC Information option using the scan tool. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text, if applicable. See CONDITIONS FOR RUNNING THE DTC . Does the DTC reset? If so, go to step  2. If not, then system is okay.
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