Tcs/esp: Diagnosis Saab 9-5 II

Diagnostic Instructions

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC Descriptors

DTC B0000 71

Vehicle Speed Information Circuit Invalid Data

DTC C0055 00

Invalid Data Received From Electronic Brake Control Module Malfunction

DTC C0246 00

Invalid Data Received From Electronic Brake Control Module Malfunction

DTC C1207 00

Left Front Wheel Speed Sensor Circuit High Input Malfunction

DTC C1208 00

Right Front Wheel Speed Sensor Circuit High Input Malfunction

DTC C1209 00

Left Rear Wheel Speed Sensor Circuit High Input Malfunction

DTC C1210 00

Right Rear Wheel Speed Sensor Circuit High Input Malfunction

DTC C1221 00

Left Front Wheel Speed Sensor Circuit Malfunction

DTC C1222 00

Right Front Wheel Speed Sensor Circuit Malfunction

DTC C1223 00

Left Rear Wheel Speed Sensor Circuit Malfunction

DTC C1224 00

Right Rear Wheel Speed Sensor Circuit Malfunction

DTC C1225 00

Left Front Wheel Speed Sensor Circuit Performance Malfunction

DTC C1226 00

Right Front Wheel Speed Sensor Circuit Malfunction

DTC C1227 00

Left Rear Wheel Speed Sensor Circuit Malfunction

DTC C1228 00

Right Rear Wheel Speed Sensor Circuit Malfunction

DTC C1232 00

Left Front Wheel Speed Sensor Circuit Low Input Malfunction

DTC C1233 00

Right Front Wheel Speed Sensor Circuit Low Input Malfunction

DTC C1234 00

Left Rear Wheel Speed Sensor Circuit Low Input Malfunction

DTC C1235 00

Right Rear Wheel Speed Sensor Circuit Low Input Malfunction

Conditions for Running the DTC

Ignition ON.

Conditions for Setting the DTC

A supervised periodic message that includes the wheel speed serial data has not been received.

Action Taken When the DTC Sets

Specific subsystems will not function or operate in degraded mode.

Conditions for Clearing the DTC

A current DTC clears when the diagnostic runs and passes.

Scan Tool Reference

CONTROL MODULE REFERENCES for scan tool information

Circuit/System Testing

1. Ignition ON, verify that DTC C0035, C0040, C0045, or C0050 is not present in the EBCM.
2. If any listed DTC is present, refer to «DTC C0035, C0040, C0045, OR C0050»(ref-653657-S07746048992014090100000) to diagnose that DTC prior to this diagnostic.
3. Replace the K17 Electronic Brake Control Module and verify the DTC does not reset.
4. If the DTC resets, replace the module that set the DTC.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC Descriptor

DTC B2745 02

Traction Control Switch Circuit Short to Ground

Diagnostic Fault Information

Ignition ON

The BCM detects a short to ground on the signal circuit.

The BCM ignores the traction control switch signal input.

A current DTC clears when the diagnostic runs and passes.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition OFF, disconnect the harness connector at the S109 Sport Mode Switch.
2. Test for less than 5 ohms between the ground circuit terminal 1 and ground.
3. If greater than the specified range, test the ground circuit for an open/high resistance.
4. Ignition ON, verify the scan tool BCM Traction Control Switch parameter is No.
5. If not the specified value, test the signal circuit for a short to ground. If the circuit tests normal, replace the K9 Body Control Module.
6. Install a 3 A fused jumper wire between the signal circuit terminal 3 and ground.
7. Verify the scan tool BCM Traction Control Switch parameter is Yes.
8. If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
9. If all circuits test normal, test or replace the S109 Sport Mode Switch.

Static Test

1. Ignition OFF, disconnect the harness connector at the S109 Sport Mode Switch.
2. Test for infinite resistance between the signal circuit terminal 1 and the ground circuit terminal 3 with the switch in the released position.
3. If less than the specified value, replace the S109 Sport Mode Switch.
4. Test for less than 5 ohms between the signal circuit terminal 1 and the ground circuit terminal 3 with the switch in the pressed position.
5. If greater than the specified value, replace the S109 Sport Mode Switch.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0035 06

Left Front Wheel Speed Sensor Circuit Low Voltage/Open

DTC C0035 0F

Left Front Wheel Speed Sensor Circuit Signal Erratic

DTC C0035 18

Left Front Wheel Speed Sensor Circuit Low Signal Amplitude

DTC C0035 5A

Left Front Wheel Speed Sensor Circuit Not Plausible

DTC C0040 06

Right Front Wheel Speed Sensor Circuit Low Voltage/Open

DTC C0040 0F

Right Front Wheel Speed Sensor Circuit Signal Erratic

DTC C0040 18

Right Front Wheel Speed Sensor Circuit Low Signal Amplitude

DTC C0040 5A

Right Front Wheel Speed Sensor Circuit Not Plausible

DTC C0045 06

Left Rear Wheel Speed Sensor Circuit Low Voltage/Open

DTC C0045 0F

Left Rear Wheel Speed Sensor Circuit Signal Erratic

DTC C0045 18

Left Rear Wheel Speed Sensor Circuit Low Signal Amplitude

DTC C0045 5A

Left Rear Wheel Speed Sensor Circuit Not Plausible

DTC C0050 06

Right Rear Wheel Speed Sensor Circuit Low Voltage/Open

DTC C0050 0F

Right Rear Wheel Speed Sensor Circuit Signal Erratic

DTC C0050 18

Right Rear Wheel Speed Sensor Circuit Low Signal Amplitude

DTC C0050 5A

Right Rear Wheel Speed Sensor Circuit Not Plausible

C0035 06, C0040 06, C0045 06, and C0050 06

Ignition ON

C0035 0F, C0040 0F, C0045 0F, and C0050 0F

1. Ignition ON
2. Vehicle speed is greater than 12.9 km/h (8 MPH)

C0035 18, C0040 18, C0045 18, and C0050 18

1. Ignition ON
2. Vehicle speed is greater than 6 km/h (3.7 MPH)

C0035 5A, C0040 5A, C0045 5A, and C0050 5A

1. Ignition ON
2. Vehicle speed is greater than 1.5 km/h (0.9 MPH)

C0035 06, C0040 06, C0045 06, and C0050 06

A short to voltage or short to ground on the wheel speed sensor 12 V reference or low reference circuit is detected for 0.1 s.

C0035 0F, C0040 0F, C0045 0F, and C0050 0F

An erratic wheel speed sensor signal is detected.

C0035 18, C0040 18, C0045 18, and C0050 18

A missing wheel speed sensor signal is detected for 3-10 s.

C0035 5A, C0040 5A, C0045 5A, and C0050 5A

An open/high resistance on the wheel speed sensor 12 V reference or low reference circuit is detected for 0.75-3.75 s.

1. The EBCM disables the ABS, traction control, stability control and hill start assist for the duration of the ignition cycle.
2. The ABS indicator turns ON.
3. The traction control/stability control-active indicator turns ON.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

Diagnostic Aids

1. Do not use a magnet to clean the encoder ring.
2. If 2 or more wheel speed sensors are inoperative, diagnose each wheel speed sensor individually.
3. If the customer comments that the ABS indicator is ON only during moist environmental conditions (rain, snow, vehicle wash, etc.), inspect the wheel speed sensor wiring for signs of water intrusion. If the DTC is not current, clear all DTCs and simulate the effects of water intrusion by using the following procedure

1. Spray the suspected area with a 5% saltwater solution.
2. Test drive the vehicle over various road surfaces (bumps, turns, etc.), above 40 km/h (25 MPH) for at least 30 s.
3. Rinse the area thoroughly when completed.

CONTROL MODULE REFERENCES for scan tool information

1. Inspect the appropriate wheel speed sensor for contamination, physical damage and correct installation.
2. If contamination, physical damage or incorrect installation is diagnosed, repair or replace the wheel speed sensor.
3. Ignition OFF, disconnect the harness connector at the K17 Electronic Brake Control Module and at the wheel speed sensor.
4. Ignition ON, test for less than 0.3 V between the circuit terminal listed below and ground: Left front wheel speed sensor low reference circuit terminal 28 at the K17 Electronic Brake Control Module harness connector Right front wheel speed sensor low reference circuit terminal 4 at the K17 Electronic Brake Control Module harness connector Left rear wheel speed sensor low reference circuit terminal 35 at the K17 Electronic Brake Control Module harness connector Right rear wheel speed sensor low reference circuit terminal 10 at the K17 Electronic Brake Control Module harness connector
5. If greater than the specified value, test the low reference circuit for a short to voltage.
6. Test for less than 0.3 V between the circuit terminal listed below and ground: Left front wheel speed sensor 12 V reference circuit terminal 27 at the K17 Electronic Brake Control Module harness connector Right front wheel speed sensor 12 V reference circuit terminal 3 at the K17 Electronic Brake Control Module harness connector Left rear wheel speed sensor 12 V reference circuit terminal 36 at the K17 Electronic Brake Control Module harness connector Right rear wheel speed sensor 12 V reference circuit terminal 11 at the K17 Electronic Brake Control Module harness connector
7. If greater than the specified value, test the 12 V reference circuit for a short to voltage.
8. Ignition OFF, test for infinite resistance between the circuit terminal listed below and ground: Left front wheel speed sensor low reference circuit terminal 28 at the K17 Electronic Brake Control Module harness connector Right front wheel speed sensor low reference circuit terminal 4 at the K17 Electronic Brake Control Module harness connector Left rear wheel speed sensor low reference circuit terminal 35 at the K17 Electronic Brake Control Module harness connector Right rear wheel speed sensor low reference circuit terminal 10 at the K17 Electronic Brake Control Module harness connector
9. If less than the specified value, test the low reference circuit for a short to ground.
10. Test for infinite resistance between the circuit terminal listed below and ground: Left front wheel speed sensor 12 V reference circuit terminal 27 at the K17 Electronic Brake Control Module harness connector Right front wheel speed sensor 12 V reference circuit terminal 3 at the K17 Electronic Brake Control Module harness connector Left rear wheel speed sensor 12 V reference circuit terminal 36 at the K17 Electronic Brake Control Module harness connector Right rear wheel speed sensor 12 V reference circuit terminal 11 at the K17 Electronic Brake Control Module harness connector
11. If less than the specified value, test the 12 V reference circuit for a short to ground.
12. Test for infinite resistance between the circuit terminals listed below: Left front wheel speed sensor 12 V reference circuit terminal 27 and low reference circuit terminal 28 at the K17 Electronic Brake Control Module harness connector Right front wheel speed sensor 12 V reference circuit terminal 3 and low reference circuit terminal 4 at the K17 Electronic Brake Control Module harness connector Left rear wheel speed sensor 12 V reference circuit terminal 36 and low reference circuit terminal 35 at the K17 Electronic Brake Control Module harness connector Right rear wheel speed sensor 12 V reference circuit terminal 11 and low reference circuit terminal 10 at the K17 Electronic Brake Control Module harness connector
13. If less than the specified value, test the 12 V reference circuit and the low reference circuit for a short circuit.
14. Connect the harness connector at the K17 Electronic Brake Control Module.
15. Ignition ON, test for greater than 11 V between the 12 V reference circuit terminal 1 at the harness connector of the wheel speed sensor and ground.
16. If less than the specified value, test the 12 V reference circuit for an open/high resistance. If the circuit tests normal replace the K17 Electronic Brake Control Module.
17. Test for greater than 11 V between the 12 V reference circuit terminal 1 and the low reference circuit terminal 2 at the harness connector of the wheel speed sensor.
18. If less than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal replace the K17 Electronic Brake Control Module.
19. If all circuits test normal, test the wheel speed sensor.

Component Testing

Note. Circuit/System Testing must be performed before Component Testing.

Dynamic Test

1. Ignition OFF, connect the harness connector at the wheel speed sensor.
2. Disconnect the harness connector at the K17 Electronic Brake Control Module.
3. Connect a fused jumper wire between B+ and the circuit terminal listed below: Left front wheel speed sensor 12 V reference circuit terminal 27 at the K17 Electronic Brake Control Module harness connector Right front wheel speed sensor 12 V reference circuit terminal 3 at the K17 Electronic Brake Control Module harness connector Left rear wheel speed sensor 12 V reference circuit terminal 36 at the K17 Electronic Brake Control Module harness connector Right rear wheel speed sensor 12 V reference circuit terminal 11 at the K17 Electronic Brake Control Module harness connector
4. Spin the wheel very slowly, test for alternating current between ca. 7 mA and ca. 14 mA between the circuit terminal listed below and ground: Left front wheel speed sensor low reference circuit terminal 28 at the K17 Electronic Brake Control Module harness connector Right front wheel speed sensor low reference circuit terminal 4 at the K17 Electronic Brake Control Module harness connector Left rear wheel speed sensor low reference circuit terminal 35 at the K17 Electronic Brake Control Module harness connector Right rear wheel speed sensor low reference circuit terminal 10 at the K17 Electronic Brake Control Module harness connector
5. If not within the specified range, replace the wheel speed sensor.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0110 06

Pump Motor Circuit Low Voltage/Open

DTC C0110 61

Pump Motor Circuit Stuck

Ignition ON.

C0110 06

1. A short to ground or an open/high resistance is detected on the pump motor B+ circuit for 0.01 s.
2. An open/high resistance is detected on the pump motor ground circuit for 0.05 s.

C0110 61

A faulty pump motor is detected.

1. The EBCM disables the ABS, traction control, stability control and hill start assist for the duration of the ignition cycle.
2. The ABS indicator turns ON.
3. The traction control/stability control active indicator turns ON.
4. The brake warning indicator turns ON.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicators in the next ignition cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition OFF, disconnect the harness connector at the K17 Electronic Brake Control Module.
2. Test for less than 10 ohms between the ground circuits listed below and ground. Terminal 13 Terminal 38
3. If greater than the specified range, test the ground circuit for an open/high resistance.
4. Verify that a test lamp illuminates between the B+ circuit terminal 1 and ground.
5. If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
6. If all circuits test normal, replace the brake pressure modulator valve assembly and verify the DTC does not reset.
7. If the DTC resets, replace the K17 Electronic Brake Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0131 00

Traction Control System Pressure Circuit Malfunction

DTC C0131 5A

Traction Control System Pressure Circuit Not Plausible

Ignition ON.

C0131 00

1. A short to voltage is detected on the 5 V reference circuit for 0.1 s
2. A short to ground or an open/high resistance is detected on the 5 V reference circuit or signal circuit for 0.1 s

C0131 5A

1. The brake pressure sensor signal is not plausible with the vehicle acceleration or deceleration.
2. The EBCM detected an invalid or erratic brake pressure sensor signal.
3. The brake pressure sensor signal is not plausible with the brake switch signal.

1. The EBCM disables the ABS, traction control, stability control and hill start assist for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Verify that DTC C0131 5A is not present.
2. If DTC C0131 5A is present, perform the «BRAKE PRESSURE MODULATOR VALVE PRESSURE SENSOR CALIBRATION»(ref-653657-S28557282232014090100000) .
3. Replace the brake pressure modulator valve assembly and verify the DTC does not reset.
4. If the DTC resets replace the K17 Electronic Brake Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0161 5A

Antilock Braking System Brake Switch Circuit Not Plausible

DTC C0161 71

Antilock Braking System Brake Switch Circuit Invalid Data

C0161 5A

1. Ignition ON.
2. DTC C0131 is not present.

C0161 71

Ignition voltage is between 9-16 V

C0161 5A

1. The EBCM detects brake pedal is not applied and the brake pressure is greater 15 bar (218 PSI) for 2 s.
2. The EBCM detects the vehicle speed is greater than 16 km/h (10 MPH), the brake pedal is applied for 122 s, and brake pressure is less than 6.2 bar (90 PSI).

C0161 71

The electronic suspension control module detects an invalid brake pedal applied signal.

The EBCM disables the hill start assist for the duration of the ignition cycle.

A current DTC clears when the diagnostic runs and passes.

The DTC C0161 can be set if the brake pedal is applied while accelerating or the brake pedal position sensor is out of adjustment.

CONTROL MODULE REFERENCES

1. Ignition ON, verify that DTC C0277 is not present in the BCM.
2. If DTC C0277 is present, refer to «DTC C0277 OR C0890»(ref-653643-S28939574582014090100000) .
3. Ignition ON, observe the stop lamps while applying and releasing the brake pedal. Verify the stop lamps operate properly.
4. If the stop lamps do not operate properly, refer to «SYMPTOMS - LIGHTING»(ref-653643-S07763487572014090100000) .
5. Replace the module which sets the DTC and verify the DTC does not reset.
6. If the DTC resets replace the K9 Body Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0187 5A

Lateral Acceleration Sensor Circuit Not Plausible

DTC C0196 5A

Yaw Rate Circuit Not Plausible

DTC C019B 5A

Yaw Rate Signal Not Plausible

DTC C0287 5A

Longitudinal Acceleration Sensor Circuit Not Plausible

DTC C0297 4A

Lost Communication with Yaw Rate Sensor Checksum Error

Ignition ON

C0187 5A

1. No lateral acceleration sensor signal
2. The lateral acceleration sensor signal is not plausible with the yaw rate sensor signal, steering angle sensor signal and vehicle speed.
3. The lateral acceleration sensor offset is out of specified range.

C0196 5A

1. No yaw rate sensor signal
2. The yaw rate sensor signal is not plausible with the lateral acceleration sensor signal, steering angle sensor signal and vehicle speed.
3. The yaw rate sensor offset is out of specified range.

C019B 5A

The yaw rate sensor signal is out of specified range.

C0287 5A

1. No longitudinal acceleration sensor signal
2. The longitudinal acceleration sensor signal is not plausible with the vehicle acceleration.
3. The longitudinal acceleration sensor offset is out of specified range.

C0297 4A

A wrong multi-axis acceleration sensor is installed.

C0187 5A, C0196 5A, C019B 5A, and C0297 4A

1. The EBCM disables the stability control and hill start assist for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

C0287 5A

The EBCM disables the hill start assist for the duration of the ignition cycle.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition ON, verify that DTC C0187 5A, C0196 5A, C019B 5A, and C0287 5A is not present.
2. If any listed DTC is present, perform the «VEHICLE YAW SENSOR LEARN»(ref-653657-S26829852552014090100000) .
3. Inspect the B119 Multi-axis Acceleration Sensor for correct installation.
4. If loose or incorrect installation is diagnosed, correct the installation of the component and perform the «VEHICLE YAW SENSOR LEARN»(ref-653657-S26829852552014090100000) .
5. Ignition OFF, disconnect the harness connector at the B119 Multi-axis Acceleration Sensor.
6. Test for less than 5 ohms between the ground circuit terminal 6 and ground.
7. If greater than the specified range, test the ground circuit for an open/high resistance.
8. Ignition ON, test for greater than 11 V between the 12 V reference circuit terminal 5 and ground.
9. If less than the specified value, test the 12 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal replace the K17 Electronic Brake Control Module.
10. If all circuits test normal, replace the B119 Multi-axis Acceleration Sensor and verify the DTC does not reset.
11. If the DTC resets, replace the K17 Electronic Brake Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0242 00

Powertrain Control Module Indicated Traction Control Malfunction

DTC P0856 00

Traction Control Torque Request Circuit Malfunction

Engine running

The ECM detects a fault that prevents it from performing a traction control function and sends a serial data message to the EBCM indicating that torque reduction is not allowed.

1. The EBCM disables the traction control and stability control for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Verify that no DTCs except P0856 are present in the ECM.
2. If any DTC is present, refer to «TCS/ESP DTC Index»(ref-653657-S28641983522014111100000) to diagnose that DTC prior to this diagnostic.
3. Replace the K20 Engine Control Module and verify the DTC does not reset.
4. If the DTC resets replace the K17 Electronic Brake Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0245 00

Wheel Speed Sensor Frequency Malfunction

1. DTC C0035, C0040, C0045, or C0050 is not present.
2. Vehicle speed is greater than 14 km/h (9 MPH).
3. Brake is not applied.
4. Vehicle is not cornering.

Wheel speed differences between one wheel and the others is greater than 20 percent.

1. The EBCM disables the ABS, traction control, stability control and hill start assist for the duration of the ignition cycle.
2. The ABS indicator turns ON.
3. The traction control/stability control-active indicator turns ON.
4. The brake warning indicator turns ON.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Inspect for one tire that has improper air pressure or improper size.
2. If not all the same pressure, adjust all tire pressures to specification. If not all the same size, replace the incorrect tire and verify the DTC does not reset.
3. If the DTC resets, replace the K17 Electronic Brake Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0252 00

Vehicle Stability Control Module Sensors Correlation Malfunction

Vehicle is travelling.

The yaw rate sensor, lateral acceleration sensor and steering angle sensor signals are not plausible to each other. Straight line driving can not be recognized after a distance of 2.5 km (1.5 mi).

1. The EBCM disables the stability control and hill start assist for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

The following conditions can cause this concern

1. Improper steering alignment
2. An improperly mounted or loose multi-axis acceleration sensor

CONTROL MODULE REFERENCES for scan tool information

1. Verify that DTC C0187, C0196, C019B, C0297, or C0710 is not present.
2. If any listed DTC is present, refer to «TCS/ESP DTC Index»(ref-653657-S28641983522014111100000) .
3. Replace the B119 Multi-axis Acceleration Sensor and verify the DTC does not reset.
4. If the DTC resets, replace the B99 Steering Wheel Angle Sensor and verify the DTC does not reset.
5. If the DTC resets, replace the K17 Electronic Brake Control Module.

1. Perform «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0267 00

Low brake fluid level is indicated

Ignition ON.

1. An open mode is registered in the brake fluid level signal circuit during 5 s.
2. A low brake fluid level is registered during 5 s.

The condition for setting the DTC is no longer present.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition OFF, disconnect the harness connector at the B20 Brake Fluid Level Switch.
2. Check that the resistance between the ground circuit terminal 2 and ground is less than 5 ohms. ==> If resistance is greater than the specified value, test the ground circuit for an open circuit/high resistance.
3. Ignition ON, verify the scan tool Brake Fluid Level Sensor parameter is Low. ==> If the value is not as specified, test the signal circuit for a short to ground. If the circuit tests normal, replace the K17 Electronic Brake Control Module (EBCM).
4. Install a 3 A fused jumper wire between the signal circuit terminal 1 and ground.
5. Verify the scan tool Brake Fluid Level Sensor parameter is OK. ==> If the value is not as specified, test the signal circuit for a short to voltage or an open circuit/high resistance. If the circuit tests normal, replace the K17 Electronic Brake Control Module (EBCM).
6. If all circuits test normal, test or replace the B20 Brake Fluid Level Switch.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0274 54

Isolation Valve High Temperature

DTC C0275 54

Dump Valve High Temperature

DTC C0280 54

Stability System Active Too Long High Temperature

Ignition ON

Calculated solenoid valve temperature is greater than threshold.

C0274 54 or C0275 54

1. The EBCM disables the ABS, traction control, stability control and hill start assist for the duration of the ignition cycle.
2. The ABS indicator turns ON.
3. The traction control/stability control-active indicator turns ON.

C0280 54

1. The EBCM disables the stability control and hill start assist for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

The condition for setting the DTC is no longer present.

DTCs can set because of extended operation of ABS, traction control or stability control.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition ON, verify that DTC C0187, C0196, C019B, or C0710 is not set.
2. If DTC is set, refer to «TCS/ESP DTC Index»(ref-653657-S28641983522014111100000) to diagnose that DTC prior to this diagnostic.
3. Ignition OFF, allow the hydraulic Q5 brake modulator valve assembly to cool down to ambient temperature.
4. Ignition ON, verify that DTC C0274 54, C0275 54, or C0280 54 is not set.
5. If a DTC has been stored, replace the EBCM K17. Confirm that the DTC has not been stored again. If the DTC resets, replace the Q5 brake pressure modulator valve assembly.

1. Perform «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0299 56

Brake servo large vacuum leakage registered, too many transitions

Ignition ON.

The EBCM detects a vacuum leakage.

The brake warning indicator turns ON.

1. A current DTC is cancelled when the fault diagnosis is successfully carried out.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition ON, verify that DTC C1100 is not present. ==> If DTC C1100 is set, refer to «DTC C1100»(ref-653657-S25762206932014090100000) and diagnose that DTC before the diagnosis is carried out.
2. Inspect the brake servo vacuum system for damage or leaks and check that it is correctly installed. ==> If faults are detected, repair or replace the affected components.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0460 71

Steering Wheel Angle Sensor Invalid Data

DTC C0710 00

Steering Position Signal Malfunction

DTC C0710 42

Steering Position Signal Calibration Not Programmed

DTC C0710 5A

Steering Position Signal Not Plausible

Ignition ON

C0460 71

The control module received an invalid steering angle sensor signal.

C0710 00

The steering angle sensor signal is invalid.

C0710 42

The steering angle sensor is not calibrated.

C0710 5A

1. No steering angle sensor signal
2. The steering angle sensor signal is not plausible with the yaw rate sensor signal.
3. The steering angle sensor offset is out of specified range.

1. The EBCM disables the stability control and hill start assist for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

1. A current DTC clears when the diagnostic runs and passes.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

The car should not pull in either direction causing the steering wheel to be OFF center while driving in a straight line on a level surface.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition ON, verify that DTC C0710 42 or C0710 5A is not present.
2. If either DTC is present, perform the «STEERING ANGLE SENSOR CENTERING»(ref-653657-S03343715072014090100000) .
3. Inspect the B99 Steering Wheel Angle Sensor for correct installation.
4. If loose or incorrect installation is diagnosed, correct the installation of the component and perform the «STEERING ANGLE SENSOR CENTERING»(ref-653657-S03343715072014090100000) .
5. Ignition OFF, disconnect the harness connector at the B99 Steering Wheel Angle Sensor.
6. Test for less than 5 ohms between the ground circuit terminal 6 and ground.
7. If greater than the specified range, test the ground circuit for an open/high resistance.
8. Ignition ON, test for greater than 11 V between the 12 V reference circuit terminal 5 and ground.
9. If less than the specified range, test the 12 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal replace the K17 Electronic Brake Control Module.
10. If all circuits test normal, replace the B99 Steering Wheel Angle Sensor and verify the DTC does not reset.
11. If the DTC resets, replace the K17 Electronic Brake Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0558 4B

Calibration Data Calibration Not Learned

Ignition ON.

The EBCM is not programmed.

1. The EBCM disables the traction control, stability control and hill start assist for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

A current DTC clears when the diagnostic runs and passes.

A newly replaced EBCM can set one or more DTC on its initial ignition ON cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Verify that DTC C0558 4B is not present.
2. If DTC C0558 4B is present, program the K17 Electronic Brake Control Module and verify the DTC does not reset.
3. If the DTC resets, replace the K17 Electronic Brake Control Module.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C0569 00

System Configuration Malfunction

Ignition ON

A mandatory control module is not programmed to the EBCM CAN configuration list.

1. The EBCM disables the traction control, stability control and hill start assist for the duration of the ignition cycle.
2. The traction control/stability control-active indicator turns ON.

A current DTC clears when the diagnostic runs and passes.

A newly replaced EBCM can set one or more DTC on its initial ignition ON cycle.

CONTROL MODULE REFERENCES for scan tool information

1. Verify that DTC C0569 00 is not present.
2. If DTC C0569 00 is present, program the K17 Electronic Brake Control Module and verify the DTC does not reset.
3. If the DTC resets, replace the K17 Electronic Brake Control Module.

1. Perform «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C1100 00

Brake pressure sensor 2 faulty

DTC C1100 02

Brake Pressure Sensor 2 Short to Ground

DTC C1100 04

Brake pressure sensor 2 open

DTC C1100 5A

Brake pressure sensor 2 not reasonable

Ignition ON.

C1100 00

1. A short to ground, short to voltage or open circuit/high resistance has been detected in the 5 V reference circuit.
2. The EBCM has detected a faulty signal from the vacuum sensor.

C1100 02

A short to voltage has been detected in the vacuum sensor signal circuit.

C1100 04

A short to ground or open circuit/high resistance has been detected in the vacuum sensor reference circuit.

C1100 5A

The vacuum sensor signal is not reasonable.

The brake warning indicator turns ON.

1. A current DTC is cancelled when the fault diagnosis is successfully carried out.
2. The EBCM will turn OFF the indicator in the next ignition cycle.

CONTROL MODULE REFERENCES for scan tool information

1. With the ignition OFF, disconnect the cable connector from the B19B brake servo vacuum sensor.
2. Test whether resistance is less than 5 ohms between the low reference circuit terminal 2 and ground. ==> If the resistance is greater than the specified value, check if there is an open circuit or a high resistance in the low reference circuit. If the circuit tests normal, replace the K17 Electronic Brake Control Module (EBCM).
3. With the ignition ON: check if the voltage between the 5 V reference circuit terminal 3 and ground is in the range 4.8 to 5.2 V. ==> If the value is greater than the specified range, test the 5 V reference circuit for a short to voltage. If the circuit tests normal, replace the K17 Electronic Brake Control Module (EBCM). ==> If the value is less than the specified range, test the 5 V reference circuit for an open/high resistance. If the circuit tests normal, replace the K17 Electronic Brake Control Module (EBCM).
4. Ignition OFF, disconnect the connector from the K17 EBCM unit.
5. With the ignition ON, check on the connector for the B19B brake servo vacuum sensor if the signal circuit voltage between pin 1 and ground is less than 0.5 V. ==> If the value is greater then the specified value, test the signal circuit for a short to voltage.
6. Ignition OFF, check that the resistance between the signal circuit terminal 1 and ground is infinite. ==> If less than the specified value, test the signal circuit for a short to ground.
7. Check that the resistance is less than 5 ohms between pin 1 on the cable connector to the B19B brake servo vacuum sensor and pin 15 on the K17 EBCM cable connector. ==> If the value is greater than specified, test the signal circuit for an open/high resistance.
8. If all the circuit test values are normal, replace the B19B brake servo vacuum sensor and check that no DTCs reoccur. If a DTC reoccurs, replace the K17 EBCM.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C122E 00

Tire Size Mismatch Malfunction

Vehicle speed is greater than 14 km/h (9 MPH).

The engine control module (ECM) detects wheel speed differences between one wheel and the others.

Specific subsystems will not function or operate in degraded mode.

A current DTC clears when the diagnostic runs and passes.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition ON, verify that DTC C0035, C0040, C0045, C0050, or C0245 is not present in the EBCM.
2. If any listed DTC is present, refer to «TCS/ESP DTC Index»(ref-653657-S28641983522014111100000) to diagnose that DTC prior to this diagnostic.
3. Replace the K17 Electronic Brake Control Module and verify the DTC does not reset.
4. If the DTC resets, replace the module that set the DTC.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

DTC C123C 00

Electronic Brake Control Module RAM Malfunction

DTC C1255 00

Electronic Control Unit Performance Malfunction

DTC C1256 00

Control Module Programming Checksum Error Malfunction

Ignition ON

The control module detects an internal malfunction.

Specific subsystems will not function or operate in degraded mode.

A current DTC clears when the diagnostic runs and passes.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition ON, verify that DTC C0569, C056D, or C056E is not present in the electronic brake control module (EBCM).
2. If any listed DTC is present, refer to «TCS/ESP DTC Index»(ref-653657-S28641983522014111100000) to diagnose that DTC prior to this diagnostic.
3. Replace the K17 Electronic Brake Control Module and verify the DTC does not reset.
4. If the DTC resets, replace the module that set the DTC.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

CONTROL MODULE REFERENCES for scan tool information

Note. Circuit/System Verification must be performed before Circuit/System Testing.

1. Ignition OFF, disconnect the harness connector at the S109 Sport Mode Switch.
2. Test for less than 5 ohms between the ground circuit terminal 3 and ground.
3. If greater than the specified range, test the ground circuit for an open/high resistance.
4. Ignition ON, verify the scan tool BCM Traction Control Switch parameter is Inactive.
5. If not the specified value, test the signal circuit for a short to ground. If the circuit tests normal, replace the K9 Body Control Module.
6. Install a 3 A fused jumper wire between the signal circuit terminal 1 and ground.
7. Verify the scan tool BCM Traction Control Switch parameter is Active.
8. If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 Body Control Module.
9. If all circuits test normal, test or replace the S109 Sport Mode Switch.

1. Ignition OFF, disconnect the harness connector at the S109 Sport Mode Switch.
2. Test for infinite resistance between the signal circuit terminal 1 and the ground circuit terminal 3 with the switch in the released position.
3. If less than the specified value, replace the S109 Sport Mode Switch.
4. Test for less than 5 ohms between the signal circuit terminal 1 and the ground circuit terminal 3 with the switch in the pressed position.
5. If greater than the specified value, replace the S109 Sport Mode Switch.

Visual/Physical Inspection

1. Inspect for aftermarket devices which could affect the operation of the ABS system. Refer to «CHECKING AFTERMARKET ACCESSORIES»(ref-653659-S25218301212014090100000) .
2. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom

1. «ABS INDICATOR MALFUNCTION»(ref-653657-S20021034402014090100000)
2. «TRACTION CONTROL/STABILITY CONTROL INDICATOR MALFUNCTION»(ref-653657-S42884501012014090100000)
3. «BRAKE WARNING INDICATOR MALFUNCTION»(ref-653650-S14821883132014090100000)

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-653639-S05362277832014090100000) prior to using this diagnostic procedure.
2. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-653639-S39457439302014090100000) provides an overview of each diagnostic category.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition ON, with a scan tool command the instrument cluster All Indicators test ON and OFF. Verify the ABS indicator turns ON and OFF.
2. If the ABS indicator does not turn ON and OFF, replace the P16 Instrument Cluster.
3. Verify the ABS indicator turns OFF 5 s after ignition ON.
4. If the ABS indicator does not turn OFF, replace the K17 Electronic Brake Control Module.