Circuit/System Verification

• If any DTC is set 

  Refer to:Diagnostic Trouble Code (DTC) List - Vehicle

{Automatic Transmission}Park/Neutral Position Switch=Park

or

{Manual Transmission}Verify the scan tool parameter:CPP Sensor=Applied

• If not the specified state 

  {Automatic Transmission}Refer to the appropriate diagnostic procedure listed below:

  Transmission Internal Mode Switch Logic

  or

  {Manual Transmission}Refer to the appropriate diagnostic procedure listed below:

  DTC P0806-P0808 - CPP Sensor

• Go to next step: If the specified state 

Verify the scan tool parameter:

1. { Without BTM }5V Ignition Switch=Crank Request
2. Accessory=Inactive
3. { With BTM }Power Mode=Crank

• If not the specified state 

  Refer to:Vehicle Will Not Change Power Mode

• Go to next step: If the specified state 

• If the parameter value increments 

  Replace the component:B26 Crankshaft Position Sensor

• Go to next step: If the parameter value does not increment 

• If the component does not work as specified 

  Verify the following conditions do not exist:

1. Accessory drive belt component - Seized
2. Engine - Seized

• Go to next step: If the component works as specified 

Verify the component works as specified:

• M64 Starter Motor=Activated - Rotate(s)
• Engine=Cranking

• {M64 Starter Motor=Rotate(s) & Cranking=No}If the component does not work as specified 

  Refer to:Test 1

• {M64 Starter Motor Rotate(s) & Starter Pinion=Clicks}If the component does not work as specified 

  Refer to:Test 2

• Go to next step: If the component works as specified