Diagnostic Aids

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The scan tool control of the CMP actuator solenoid is inhibited when DTC P0017 sets.

The following conditions may cause this DTC to set:

An improperly torqued crankshaft balancer
A mis-built or mis-timed engine
A loose or missing crankshaft balancer bolt
The CMP actuator solenoid stuck open
The CMP actuator stuck in a position other than 0 degrees

DTC P0017

Step	Action	Yes	No
Schematic Reference: Engine Controls Schematics Connector End View Reference: Powertrain Control Module Connector End Views or Engine Controls Connector End Views
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Observe the Freeze Frame/Failure Records for this DTC. Turn OFF the ignition for 30 seconds. Start the engine. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records. Did the DTC fail this ignition?	Go to Step 3	Go to Diagnostic Aids
3	Turn OFF the ignition. Inspect the crankshaft balancer bolt for the proper torque. Refer to Fastener Tightening Specifications and Crankshaft Balancer Replacement . Was the crankshaft balancer bolt at the proper torque?	Go to Step 4	Go to Crankshaft Balancer Replacement
4	Disconnect the camshaft position (CMP) actuator solenoid. Remove the CMP actuator solenoid. Refer to Camshaft Position Actuator Solenoid Valve Replacement . Connect a jumper wire between the high control circuit of the CMP actuator solenoid and 12 volts. Refer to Using Connector Test Adapters . Connect a jumper wire between the low reference circuit of the CMP actuator solenoid and a good ground. Refer to Using Connector Test Adapters . Does the pintle inside the CMP actuator solenoid move?	Go to Step 5	Go to Step 7
5	Inspect the CMP actuator for binding or being stuck. Refer to Camshaft Position Actuator Diagnosis . Did you find and correct the condition?	Go to Step 8	Go to Step 6
6	Inspect the engine for correct valve timing. Refer to Timing Chain and Sprockets Replacement . Did you find and correct the condition?	Go to Step 8	Go to Diagnostic Aids
7	Replace the CMP actuator solenoid valve. Refer to Camshaft Position Actuator Solenoid Valve Replacement . Did you complete the replacement?	Go to Step 8	-
8	Clear the DTCs with a scan tool. Turn OFF the ignition for 30 seconds. Start the engine. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records. Did the DTC fail this ignition?	Go to Step 2	Go to Step 9
9	Observe the Capture Info with a scan tool. Are there any DTCs that have not been diagnosed?	Go to Diagnostic Trouble Code (DTC) List - Vehicle	System OK