Solutions for dtc co561

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SERVICE TRAILER BRAKE SYSTEM
This message will be displayed when there is a problem with the TBCM system. If this message persists over multiple ignition cycles there is problem with the TBCM system. Take your vehicle to an authorized GM dealer to have the TBCM system diagnosed and repaired.

Do you know what DTC'S - diagnostic trouble code's are ?
DTC B3894
DTC C0561
DTC C056D or C056E
DTC C0800
DTC C0845
DTC C0870, C1112, C1113, C1114, or C1119
DTC C0880, C0890, C1115, C1116, C1117, or C1118

Your best bet , take it to a qualified repair shop.

Do you know what diagnostic flow charts are ? Every DTC has a factory diagnostic test's to test electrical circuit's , computer , sensor's etc...
DTC C0561 System Disabled Information Stored
The electronic brake control module (EBCM) disables the traction control when other electronic control modules set DTCs for components that effect the operation of the traction control system.
The PCM or BCM diagnoses a condition preventing the engine control portion of the traction control function and sends a serial data message to the EBCM indicating that torque reduction is not allowed. The PCM or BCM will typically set a DTC and the EBCM will set this DTC.
Diagnostic Aids
This DTC is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS/TCS system.
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DTC C0242 PCM Indicated TCS Malfunction
The electronic brake control module (EBCM) and the powertrain control module (PCM) simultaneously control the traction control. The EBCM sends a serial data message to the PCM requesting torque reduction. When certain PCM DTCs are set, the PCM will not be able to perform the torque reduction for traction control. A serial data message is sent to the EBCM indicating that traction control is not allowed.

This DTC is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS/TCS system.



Your best bet , take it to the dealer where they have factory scanner an can read the info you can't.

traction control light on . DTC'S - diagnostic trouble codes are stored in ABS control module pointing to the malfunction . Take to a qualified repair shop or to auto part store that can pull these code. DTC C0242 00: Engine Control Module (ECM) Indicated TCS Malfunction
DTC P0856: Traction Control Torque Request Circuit
The electronic brake control module (EBCM) and the engine control module (ECM) simultaneously control the traction control. The EBCM sends a serial data message to the ECM requesting torque reduction. When certain ECM DTCs are set, the ECM will not be able to perform the torque reduction for traction control. A serial data message is sent to the EBCM indicating that traction control is not allowed.
DTC C0561 4B: System Disabled Information Stored Calibration Not Learned
DTC C0561 54: System Disabled Information Stored Temparature High
DTC C0561 59: System Disabled Information Stored Component Protection Time Out
DTC C0561 71: System Disabled Information Stored Invalid Serial Data Received
DTC C0561 72: System Disabled Information Stored Alive Counter Incorrect
DTC C0561 74: System Disabled Information Stored Value of Signal Protection Calculation Incorrect
DTC C0561 75: System Disabled Information Stored Signal Above Allowable Range

Traction Control Off Indicator
The IPC illuminates the traction off indicator when the following occurs.
• The EBCM disables engine torque reduction due to a malfunction and sends a serial data message to the IPC requesting illumination.
• The driver manually disables VSES and engine torque reduction by pressing the traction control switch. The EBCM sends a serial data message to the IPC requesting illumination.

When the PCM detects a continuous open, short to ground or short to voltage in the PC solenoid valve circuit, then DTC P0748 sets. DTC P0748 is a type C DTC.
PC - pressure control solenoid .
The powertrain control module (PCM) uses the pressure control (PC) solenoid valve in order to regulate the transmission line pressure. The PC solenoid valve consists of an electrical connector, a coil, an armature, a regulating spring, and a poppet valve. The PC solenoid valve is attached to the control valve body. The PCM compares TP voltage, fluid temperature, gear states, and other inputs in order to determine the line pressure appropriate for a given load. The PCM regulates the pressure by applying a varying amperage to the PC solenoid valve. The applied amperage varies from 0.1 amps for maximum line pressure to 1.1 amps for minimum line pressure. The PCM then monitors the amperage at the return line.
C0561
System Disabled Information Stored
EBCM
DTC C0561 in Antilock Brake System This code is a result of the transmission code .
The electronic brake control module (EBCM) disables the traction control when other electronic control modules set DTCs for components that effect the operation of the traction control system.

DTC C0561 71: System Disabled Information Stored
The electronic brake control module (EBCM) disables the traction control when other electronic control modules set DTCs for components that effect the operation of the traction control system.
The powertrain control module (PCM) or body control module (BCM) diagnose a condition preventing the engine traction control and sends a serial data message to the EBCM indicating that torque reduction is not allowed. The PCM or BCM will typically set a DTC and the EBCM will set this DTC.

DTC P0014: Exhaust Camshaft Position (CMP) System Performance
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.
Testing procedures are in-depth an a scan tool is needed An your best bet would be to take to a qualified repair shop .

P0301 - cylinder #1 misfire , spark plug , plug wire
DTC C0561 71: System Disabled Information Stored , The electronic brake control module (EBCM) disables the ABS when other electronic control modules set DTCs for components that effect the operation of the traction control system. This DTC is for information only. As an aid to the technician, this DTC indicates that there are no problems in the ABS/TCS system.
Your misfire is more then likely the cause of this . Check your spark plug an spark plug wire on #1 cylinder .

co561 System Voltage unstable,, po751 Shift solenoid A CKT
performance or stuck Off,, po700 Trans Control Sys. Malfunction
these are OBD codes, hope that helps....

You won't find this information in a Haynes manual ! I know , I work for a GMC dealership , along with Chevy and Cadillac ! this information I'm adding is right out of GMC service information .
Diagnostic Instructions
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Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

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

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Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors
DTC C0561 71: System Disabled Information Stored Invalid Serial Data Received

DTC C0561 72: System Disabled Information Stored Alive Counter Incorrect

DTC C0561 74: System Disabled Information Value of Signal Protection Calculation Incorrect

Circuit/System Description
The electronic brake control module (EBCM) receives serial data messages from the body control module (BCM), engine control module (ECM), instrument panel cluster (IPC), and the transmission control module (TCM) which are needed to perform antilock brake system (ABS), vehicle stability enhancement system (VSES), or traction control system (TCS) functions.
Conditions for Running the DTC
Ignition voltage is greater than 10 volts.
Conditions for Setting the DTC
The EBCM receives an invalid serial data message from another module.
Action Taken When the DTC Sets
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The EBCM disables the traction control system (TCS)/ vehicle stability enhancement system (VSES).

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A DIC message and/or a warning indicator may be displayed.

Conditions for Clearing the DTC
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The condition for the DTC is no longer present.

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The EBCM clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles.

Diagnostic Aids
This DTC indicates that there are no problems in the EBCM. The BCM, ECM, IPC and the TCM should be checked for a possible fault.
Reference Information
Schematic Reference Antilock Brake System Schematics
Connector End View Reference Component Connector End Views
Description and Operation ABS Description and Operation
Electrical Information Reference ?€¢
Circuit Testing

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Connector Repairs

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Testing for Intermittent Conditions and Poor Connections

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Wiring Repairs
Scan Tool Reference Control Module References for scan tool information
Circuit/System Verification

1. With a scan tool, view the Invalid Signal Data Display.
2. If no invalid signal are present, view Signal Fault Data in the Enhanced DTC Data.
3. Refer to appropriate module for diagnosing the invalid message data.
4. Do not replace the EBCM due to this DTC fault.

You would need a factory scan tool or equivalent too diagnose this ,not a code reader . So do your self a favor an take to a dealership. I've been doing this for thirty years .

code P0011 intake camshaft position performance ( could be a camshaft sensor, or could be that the intake camshaft variable timing unit is stuck try changing the oil and filter and add some seafome to the oil clear the code and drive it and see if the code comes back)

code C0561 system disabled information stored ( the electronic brake control module disables the traction control system when their is a DTC stored that might effect the traction control system, could be caused by the P0011 )