P0013 code help - Pontiac G6 Forum
 
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post #1 of 7 (permalink) Old 08-15-2011, 03:24 PM Thread Starter
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P0013 code help

My wifes 2008 pontiac g6 2.4 keeps setting the code p0013. I changed the cam position sensor, the one on the rear of the motor. The wiring looks to be ok what else can cause the problem?
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post #2 of 7 (permalink) Old 08-15-2011, 07:32 PM
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If you can use a multimeter this will help you. Could be a wiring issue in the control circuit or could be the exhaust CMP position actuator solenoid itself. The two vertical cylinders are the solenoids, above the timing chain. Resistance across the solenoids should be between 8-12 ohms. Mine are both 10.8.


https://www.g6ownersclub.com/forum/at...1&d=1313458222
__________________________________________________ ________
Service Information
2008 Pontiac G6 | G6 (VIN Z) Service Manual | Document ID: 1885110
--------------------------------------------------------------------------------

DTC P0010 or P0013
Diagnostic Instructions
• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors
DTC P0010: Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit

DTC P0013: Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit


Diagnostic Fault Information
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance

Intake CMP Actuator Solenoid Control
P0010
P0010
P0010
P0011

Intake CMP Actuator Low Reference
--
P0010
--
--

Exhaust CMP Actuator Solenoid Control
P0013
P0013
P0013
P0014

Exhaust CMP Actuator Low Reference
--
P0013
--
--


Circuit/System Description
The camshaft position (CMP) actuator is attached to each camshaft and is hydraulically operated in order to change the angle of the camshaft relative to crankshaft position (CKP). The CMP actuator solenoid is controlled by the control module. The control module sends a pulse width modulated 12-volt signal to a CMP actuator solenoid. The solenoid controls the amount of engine oil flow to a CMP actuator. The CMP actuator can change the camshaft angle a maximum of 25 degrees. The control module increases the pulse width to accomplish the desired camshaft operation.

Conditions for Running the DTC
The engine is running.

Conditions for Setting the DTC
The ECM detects an open, short to ground, or a short to voltage on the high control circuit or an open on the low reference circuit for more than 0.25 second.

Action Taken When the DTC Sets
DTCs P0010 and P0013 are Type B DTCs.

Conditions for Clearing the MIL/DTC
DTCs P0010 and P0013 are Type B DTCs.

Reference Information
Schematic Reference
Engine Controls Schematics

Connector End View Reference
Component Connector End Views

Electrical Information Reference

• Circuit Testing

• Connector Repairs

• Testing for Intermittent Conditions and Poor Connections

• Wiring Repairs


Scan Tool Reference
Control Module References for scan tool information

Circuit/System Verification
Ensure the vehicle has the proper oil viscosity.
Observe the engine oil level. The engine oil level should be within the operating range.
Allow the engine to reach operating temperature.
Command each CMP actuator to 25 percent. The CMP actuator angle desired parameter should match the CMP actuator actual parameter.
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 data.
Circuit/System Testing
Ignition OFF, disconnect the CMP actuator solenoid harness connector at the CMP actuator solenoid.
Test for less than 5 ohms between the low reference circuit terminal B and ground.
⇒ If greater than the specified range, test the low reference circuit for an open/high resistance.

Verify that a test lamp does not illuminate between the low reference circuit terminal B and the control circuit terminal A.
⇒ If the test lamp illuminates, test the control circuit for short to voltage. If the circuit tests normal, replace the ECM.

Remove the test lamp.
Command the CMP Actuator Sol. ON with a scan tool. Verify the scan tool CMP Sol Ckt Short Gnd Test status is OK.
⇒ If not the specified value, test the control circuit for a short to ground. If the circuit tests normal, replace the ECM.

Install a 3A fused jumper wire between the control circuit terminal A and the low reference circuit terminal B. Command the CMP Actuator Sol. ON with a scan tool. Verify the scan tool CMP Sol Ckt Short Gnd Test status is Fault.
⇒ If not the specified value, test the control circuit for an open/high resistance. If the circuit tests normal, replace the ECM.

If all circuits test normal, test or replace the CMP actuator solenoid.
Component Testing
Measure the resistance of each CMP actuator solenoid valve assembly. Resistance should be between 8-12 ohms.
Connect a jumper wire between the CMP actuator low reference circuit at the solenoid and a good ground. Connect a fused jumper wire to the CMP actuator high control circuit at the solenoid. Momentarily touch the fused jumper to B+. Observe the spool valve inside the CMP actuator. The spool valve should move from fully closed to fully opened position.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

• Camshaft Position Actuator Solenoid Valve Replacement

• Control Module References for replacement, setup, and programming
2011 General Motors Corporation. All rights reserved.



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Last edited by greenman; 08-16-2011 at 01:34 PM.
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post #3 of 7 (permalink) Old 08-16-2011, 10:30 AM Thread Starter
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thanks I'll check it out.
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post #4 of 7 (permalink) Old 08-16-2011, 01:44 PM
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You'll find your part numbers at the bottom of this thread if you need them:

https://www.g6ownersclub.com/forum/sh...ighlight=p0014



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post #5 of 7 (permalink) Old 08-18-2011, 07:32 AM Thread Starter
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So I tested it last night 243K. I thought that can't be right, so I tested the intake one 12.2......So I guess I know what to change next.


Thanks for the help
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post #6 of 7 (permalink) Old 08-18-2011, 01:38 PM
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Quote:
Originally Posted by Daveboys View Post
So I tested it last night 243K. I thought that can't be right, so I tested the intake one 12.2......So I guess I know what to change next.
I'd say you found the problem all right. And one of the simplest repairs on the car. The car gods must be smiling on you.

Dealer price will probably be double what you can find online. Tip for finding parts online is to google on the GM part #.

from the 08 SI:

Lubricate the solenoid valve O-ring seals with clean engine oil.

Tighten the bolt to 10 Nm (89 lb in).




Last edited by greenman; 08-18-2011 at 01:42 PM.
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post #7 of 7 (permalink) Old 09-26-2013, 07:43 AM Thread Starter
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That fixed it.
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