Conditions for Running the DTCs

P0601

• The ignition switch is in Run or Crank.
• The check sum calculation at power-down in the last drive cycle had completely finished.
• DTC P0601 runs once per ignition cycle when the above condition is met.

P0602

• The ignition switch is in Run or Crank.
• DTC P0602 runs once per ignition cycle.

P0603

• The ignition switch is in Run or Crank.
• DTC P0603 runs once per ignition cycle.

P0604

• The ignition switch is in Run or Crank.
• The read/write test at power-down in the last drive cycle had completely finished.
• DTC P0604 runs once per ignition cycle when the above condition is met.

P0606

• The ignition switch is in the Unlock/Accessory, Run, or Crank positions.
• The system voltage is more than 5.23 volts.
• DTC P0606 runs continuously when the above conditions are met.

P062B

• The engine is running or cranking.
• The system voltage is between 8-18.1 volts.
• DTC P062B runs continuously when the above condition is met.

P064D

• The engine is running or cranking.
• The system voltage is between 10.7-18.1 volts.
• DTC P064D runs continuously when the above condition is met.

P167A

• The engine is running or cranking.
• The system voltage is between 10.7-18.1 volts.
• DTC P167A runs continuously when the above condition is met.

P167D

• The engine is running or cranking.
• The engine speed is less than 6,000 RPM.
• The system voltage is between 9-18.1 volts.
• DTC P167D runs continuously when the above condition is met.

P2105

• The ignition switch is in Run or Crank.
• The ECM power-down in the last drive cycle had completely finished.
• DTC P2105 runs continuously when the above condition is met.

P2610

• The ECM is powered down.
• DTC P2610 runs once per ignition cycle.

  OR

• The ECM is powered up with the ignition switch in the Run or Crank position.
• The engine OFF timer value is less than or greater than an internal reference counter during an 8-second interval.
• DTC P2610 runs continuously when the above conditions are met.