NOTE: Universal Scan Tools may not read the listed codes or may only read 5-digit codes. Match the 5 digits from the scan tool with the first 5 digits of the listed 7 digit code to identify the problem (the last 2 digits give additional information read by the approved diagnostic system).
| DTC | Description | Possible reasons | Action taken |
| C110468 | Break-in mode | Event Information | This is not a malfunction. The parking brake burn-in mode has been activated. Information about activation and deactivation of the burn-in mode. Running-in parking brake pads (70.40.12) |
| C1A0000 | Control unit malfunction | Parking Brake Actuator Module Malfunction | Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If module failure is suspected, refer to the warranty policy and procedures manual. |
| C1A0016 | Parking Brake Actuator Module Low Voltage | Check the charging system, charging voltage and battery condition. Check the power and ground circuits for the parking brake actuator. Refer to electrical manuals. Clear DTCs, run Drive Cycle 3 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| C1A0017 | Parking brake actuator module, high voltage | Check charging system and charging voltage. Check the parking brake actuator power circuits. Refer to electrical manuals. Clear DTCs, run Drive Cycle 3 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| C1A004B | control module | NOTE: This is not a malfunction. The parking brake actuator module protection temperature has been reached; usually due to overuse, when the parking brake is applied and released 15 times in a row | If the red parking brake warning lamp flashes, the fault is due to short-term protection (message is displayed). Allow the parking brake module to cool down for 60 seconds and then repeat the functional test. If the parking brake does not engage, check for other DTCs. Repair if necessary. Clear DTCs, run Drive Cycle 3 to check for normal operation, refer to the appropriate drive cycle below this table. |
| C1A4001 | Longitudinal acceleration sensor - general electrical fault | NOTE: The longitudinal acceleration sensor is built into the parking brake actuator module. Longitudinal acceleration sensor failure. | Clear the DTC and check if the problem occurs again when the vehicle is not moving. If module failure is suspected, refer to the warranty policy and procedures manual. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. |
| C1A4002 | Longitudinal acceleration sensor - general signal fault | NOTE: The longitudinal acceleration sensor is built into the parking brake actuator module. Longitudinal acceleration sensor - signal plausibility error | Clear the DTC and check if the problem occurs again when the vehicle is not moving. Perform the Longitudinal Acceleration Sensor Calibration procedure. Make sure the vehicle is on a level surface before calibrating the sensor. Perform the calibration procedure in the approved diagnostic system configuration menu. If the calibration was not successful, check that the parking brake actuator module is installed correctly. If module failure is suspected, refer to the warranty policy and procedures manual. Clear DTCs, run Drive Cycle 2 to check for normal operation, refer to the appropriate drive cycle below this table. |
| C1A4054 | Longitudinal acceleration sensor - no calibration | NOTE: The longitudinal acceleration sensor is built into the parking brake actuator module The longitudinal acceleration sensor is not calibrated | Clear the DTC and perform the Longitudinal Acceleration Sensor Calibration procedure. Make sure the vehicle is on a level surface before calibrating the sensor. Perform the calibration procedure in the approved diagnostic system configuration menu. Repeat functional check. Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. |
| C1A4101 | Clutch pedal sensor circuit - general electrical fault | Check clutch pedal sensor and circuits. refer to electrical manuals. Install a new clutch pedal sensor if necessary. Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| C1A4102 | Clutch pedal sensor circuit - general signal fault | Check clutch pedal sensor and circuits. refer to electrical manuals. Install a new clutch pedal sensor if necessary. Clear DTCs, run Drive Cycle 2 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| C1A4300 | Motor power circuit | NOTE: The electric motor is built into the parking brake actuator module | Check that the parking brake cables are connected correctly and are not loose/damaged. If the cables need to be reconnected, use an approved diagnostic system to move the cables into the installation position to ensure the maximum free length of the cables. Check the condition and adjustment of the brake pads. Adjustment of blocks and overlays of a parking brake (70.40.11). Brake disk (70.12.33). Parking brake pads (70.40.09). If the parking brake actuator module is stuck, turn the ignition off and on. If the parking device actuator module is not controlled by the switch, use an approved diagnostic system to enable the module using the application "unjam" ("anti-seize") in the setup and configuration menu. Repeat functional check. If module failure is suspected, refer to the warranty policy and procedures manual. Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. |
| C1A4301 | Motor power circuit | NOTE: The motor is built into the parking brake actuator module. Motor electrical circuit internal fault | Clear DTCs, run Drive Cycle 3 to check for normal operation, refer to the appropriate drive cycle below this table. If module failure is suspected, refer to the warranty policy and procedures manual. |
| C1A4662 | Plausibility check of the parking brake actuator module signal | Inspect the parking brake cables for dirt, pinching, or damage. Check that the parking brake pads are properly adjusted. Adjustment of blocks and overlays of a parking brake (70.40.11) Check parking brake pads for excessive wear. Brake disk (70.12.33). Parking brake pads (70.40.09) Check the electrical circuits of the parking brake actuator module. Refer to electrical manuals. If module failure is suspected, refer to the warranty policy and procedures manual. | |
| C1A4701 | Force sensor - general electrical fault | NOTE: The force sensor is built into the parking brake actuator module. Electrical failure of the internal force sensor | Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If module failure is suspected, refer to the warranty policy and procedures manual. |
| C1A4702 | Force sensor - general signal fault | NOTE: The force sensor is built into the parking brake actuator module. Internal force sensor signal plausibility error | Clear DTCs, run Drive Cycle 3 to check for normal operation, refer to the appropriate drive cycle below this table. If module failure is suspected, refer to the warranty policy and procedures manual. |
| C1A4754 | Force sensor - no calibration | NOTE: The force sensor is built into the parking brake actuator module. The internal force sensor is not calibrated | Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If module failure is suspected, refer to the warranty policy and procedures manual. |
| C1A4801 | Warning lamp circuit - general electrical fault | Check the electrical circuit between the parking brake actuator and the indicator lamp on the instrument panel. Refer to electrical manuals. Repair if necessary. If module failure is suspected, refer to the warranty policy and procedures manual. Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| C1A5368 | Manual emergency release activated - automatic reclosing failed (locking) parking brake actuator module cable | Make sure the emergency release cable is not constantly tightened (jamming). Check the parking brake cables for damaged or loose connections. Try re-applying the parking brake by pulling the activation switch DOUBLE. Clear the DTC and perform the next drive cycle. Tighten the emergency parking brake release cable. Hold the parking brake switch in the activated position until the parking brake motor stops (it may take up to 20 s). Move the switch to the neutral position. For manual emergency release of the parking brake actuator module Parking brake | |
| C1A5564 | Ignition Switch Input Circuit - Signal Plausibility Error | Check ignition circuits and "key inserted" parking brake actuator module. Refer to electrical manuals. Repair if necessary. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| U007388 | Parking Brake Actuator Module Data Bus Disabled | Perform a full read of the appropriate DTCs indicating a CAN bus or module failure. Check electrical circuits and CAN. Repair if necessary. If module failure is suspected, refer to the warranty policy and procedures manual. Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| U010087 | Lost Communication with Engine Control Module (ECM) - missing message | Perform a full read of the appropriate DTCs indicating a CAN bus or module failure. Loss of communication codes indicate that the module is not receiving CAN information from another module, but its own data transmission is OK. Check for related DTCs for invalid data in other modules as well as other DTCs for the ECM. Repair if necessary. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If the DTC is logged again, perform a Network Continuity Check. Analyze DTCs to look for possible general trends, such as a number of modules reporting a loss of communication with one particular module. Repair if necessary. This DTC may be set after/during engine cranking when the battery is low. If module failure is suspected, refer to the warranty policy and procedures manual. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| U010187 | Lost Communication with Transmission Control Module (TCM) or transfer case control module - no message | Perform a full read of the appropriate DTCs indicating a CAN bus or module failure. Loss of communication codes indicate that the module is not receiving CAN information from another module, but its own data transmission is OK. Check for related DTCs for invalid data in other modules as well as other DTCs for the ECM. Repair if necessary. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If the DTC persists after clearing, perform a network integrity check. Analyze DTCs to look for possible general trends, such as a number of modules reporting a loss of communication with one particular module. Repair if necessary. This DTC may be set after/during engine cranking when the battery is low. If module failure is suspected, refer to the warranty policy and procedures manual. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| U012287 | Lost Communication With Vehicle Dynamics Control Module - Missing Message | Perform a full read of the appropriate DTCs indicating a CAN bus or module failure. Loss of communication codes indicate that the module is not receiving CAN information from another module, but its own data transmission is OK. Check for related DTCs for invalid data in other modules as well as other DTCs for the vehicle dynamics control module. Repair if necessary. Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If the DTC is logged again, perform a Network Continuity Check. Analyze DTCs to look for possible general trends, such as a number of modules reporting a loss of communication with one particular module. Repair if necessary. This DTC may be set after/during engine cranking when the battery is low. If module failure is suspected, refer to the warranty policy and procedures manual. Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| U015587 | Lost communication with the instrument panel - no message | Perform a full read of the appropriate DTCs indicating a CAN bus or module failure. Loss of communication codes indicate that the module is not receiving CAN information from another module, but its own data transmission is OK. Check for related DTCs for invalid data in other modules as well as other DTCs for the instrument panel. Repair if necessary. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If the DTC is logged again, perform a Network Continuity Check. Analyze DTCs to look for possible general trends, such as a number of modules reporting a loss of communication with one particular module. Repair if necessary. This DTC may be set after/during engine cranking when the battery is low. If module failure is suspected, refer to the warranty policy and procedures manual. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| U030055 | Internal control module software incompatibility | Make sure the correct module is installed in the vehicle. Make sure the car config file is being used (CCF). Reprogram if necessary (CCF). | |
| U1A0300 | Vehicle Configuration Parameter | Check for lost communication/invalid data DTCs. Repair if necessary. Make sure the correct module is installed in the vehicle. Make sure you are using the correct vehicle configuration file (CCF). Reprogram if necessary (CCF). Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. | |
| U1A1449 | CAN initialization error (Control Area Network) | Parking Brake Actuator Module Malfunction | Clear the DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. If module failure is suspected, refer to the warranty policy and procedures manual. |
| U200201 | Parking brake switch | Please note that this DTC may be set when the parking brake switch is actuated very slowly. Check parking brake switch and circuits. When the parking brake switch is closed, measure the resistance between the following terminals of the parking brake actuator module: between C2178-B3 and C2178-C4 (from 2584 to 2636 ohms) and between C2178-B4 and C2178-C3 (from 2584 to 2636 ohms). Refer to electrical manuals. Install a new parking brake switch if necessary. Clear DTCs, run Drive Cycle 1 to check for normal operation, refer to the appropriate drive cycle below this table. |
Driving cycle description 1
- Ignition on
- Make sure that attempts to apply the parking brake (via switch or diagnostic command) not taken for at least 3 s
- Repeat function check
Driving cycle description 2
- Ignition on
- Drive the vehicle at a constant speed of 20 km/h or slightly higher in 2nd gear
- While driving at a constant speed of 20 km/h or slightly higher, apply the parking brake using the parking brake switch
- Press the brake pedal
Driving cycle description 3
- Ignition on
- Make sure the vehicle is stationary and the parking brake is released
- Hold the parking brake switch in the activated position until the parking brake motor stops (it may take up to 5 s).
- Move the parking brake switch to the neutral position and do not operate it for 2 seconds
- Hold the parking brake switch in the released position (keeping your foot on the brake pedal), until the parking brake motor stops (it may take up to 5 s).
- Move the parking brake switch to neutral
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