PRE-RELEASE
DTC C0558
| DTC C0558 |
| 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.
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| DTC Descriptors |
DTC C0558 55
Calibration Data Too Few Transitions
DTC C0558 5A
Calibration Data Not Plausible
| Circuit/System Description |
The electric parking brake control module has an internal motor, apply actuator, release actuator, and temperature sensor. The electric parking brake control module also contains the logic for applying and releasing the parking brake when commanded by the electric parking brake switch. When the electric parking brake control module receives a signal from the switch the internal circuit board temperature is checked to verify it is within operating range before the control module performs the requested operation.
| Conditions for Running the DTC |
Ignition OFF, ACCESSORY, or RUN mode.
| Conditions for Setting the DTC |
C0558 55
The electric parking brake control module detects a calibration malfunction.C0558 5A
The electric parking brake control module detects mechanical problems with the parking brake system.| Action Taken When the DTC Sets |
C0558 55
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The electric parking brake is disabled, switch command will not be accepted.
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A message and/or a warning indicator may be displayed.
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C0558 5A
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The electric parking brake is disabled, one release allowed.
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A message and/or a warning indicator may be displayed.
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| Conditions for Clearing the DTC |
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The electric parking brake module clears the history DTC when a current DTC is not detected in 40 ignition cycles.
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Calibrate the electric parking brake module.
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| Diagnostic Aids |
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Verify the electric parking brake control module software and calibrations are the newest available versions.
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Verify the parking brake cable is not broken or pinched.
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| Reference Information |
Schematic Reference
Park Brake System Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Electronic Parking Brake Control Module Description
Electrical Information Reference
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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
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Scan Tool Reference
Control Module References for scan tool information
| Circuit/System Verification |
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Ignition ON, command the Parking Brake Cable Apply ON with a scan tool. Verify the Park Brake Position parameter is below 1250 counts.
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| 2. |
If greater than the specified value, make sure the park brake cable is connected properly and check park brake linings for excessive wear, and ensure proper clearance to drum.
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| 3. |
Verify DTC C0558 is not set.
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If DTC is set, perform the Parking Brake Calibration procedure in Module Setup.
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| Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for Electric Parking Brake Module replacement, setup, and programming.
