Traffic Safety System: Diagnosis Saab 9-4X I

Diagnostic Instructions

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-652232-S33658475782014082300000) prior to using this diagnostic procedure.
2. Review «STRATEGY BASED DIAGNOSTICS»(ref-652232-S31928919322014082300000) for an overview of the diagnostic approach.
3. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-652232-S26410554662014082300000) provides an overview of each diagnostic category.

DTC Descriptors

DTC B0954 01

Parking Aid Front Sensor Left Corner Circuit Short to Battery

DTC B0954 06

Parking Aid Front Sensor Left Corner Circuit Low Voltage/Open

DTC B0954 08

Parking Aid Front Sensor Left Corner Circuit Performance - Signal Invalid

DTC B0954 21

Parking Aid Front Sensor Left Corner Circuit Incorrect Period

DTC B0954 3A

Parking Aid Front Sensor Left Corner Circuit Incorrect Component Installed

DTC B0955 01

Parking Aid Front Sensor Left Middle Circuit Short to Battery

DTC B0955 06

Parking Aid Front Sensor Left Middle Circuit Low Voltage/Open

DTC B0955 08

Parking Aid Front Sensor Left Middle Circuit Performance - Signal Invalid

DTC B0955 21

Parking Aid Front Sensor Left Middle Circuit Incorrect Period

DTC B0955 3A

Parking Aid Front Sensor Left Middle Circuit Incorrect Component Installed

DTC B0956 01

Parking Aid Front Sensor Right Middle Circuit Short to Battery

DTC B0956 06

Parking Aid Front Sensor Right Middle Circuit Low Voltage/Open

DTC B0956 08

Parking Aid Front Sensor Right Middle Circuit Performance - Signal Invalid

DTC B0956 21

Parking Aid Front Sensor Right Middle Circuit Incorrect Period

DTC B0956 3A

Parking Aid Front Sensor Right Middle Circuit Incorrect Component Installed

DTC B0957 01

Parking Aid Front Sensor Right Corner Circuit Short to Battery

DTC B0957 06

Parking Aid Front Sensor Right Corner Circuit Low Voltage/Open

DTC B0957 08

Parking Aid Front Sensor Right Corner Circuit Performance - Signal Invalid

DTC B0957 21

Parking Aid Front Sensor Right Corner Circuit Incorrect Period

DTC B0957 3A

Parking Aid Front Sensor Right Corner Circuit Incorrect Component Installed

Diagnostic Fault Information

Conditions for Running the DTC

1. Ignition ON
2. The park assist is activated. The activation takes place through putting in the reverse gear or through operating the park assist switch.

Conditions for Setting the DTC

B0954 01, B0955 01, B0956 01, or B0957 01

The parking assist control module has detected the voltage at the sensor circuit is greater than 11.5 V or the object sensor is not grounded.

B0954 06, B0955 06, B0956 06, or B0957 06

The parking assist control module has detected the voltage at the sensor circuit is less than 0.5 V.

B0954 08, B0955 08, B0956 08, or B0957 08

The parking assist control module has received an invalid signal.

B0954 21, B0955 21, B0956 21, or B0957 21

The object sensor determines no change in the position of an object while the vehicle is in motion.

B0954 3A, B0955 3A, B0956 3A, or B0957 3A

The parking assist control module determines the wrong sensor type is installed.

Action Taken When the DTC Sets

1. The parking assist is disabled.
2. The driver information center displays SERVICE PARK ASSIST.

Conditions for Clearing the DTC

The condition for setting the DTC is no longer present.

Scan Tool Reference

CONTROL MODULE REFERENCES for scan tool information

Circuit/System Testing

1. Ignition OFF for 30 s, disconnect the harness connector at the appropriate front object sensor.
2. Test for less than 5 ohms between the low reference circuit terminal 2 and ground.
3. If greater than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K41 Parking Assist Control Module.
4. Ignition ON, activate the park assist, test for 7.5-9.0 V between the 8 V reference circuit terminal 1 and ground.
5. If less than the specified range, test the 8 V reference circuit for an open/high resistance. If the circuit tests normal, replace the K41 Parking Assist Control Module.
6. Ignition OFF, remove the malfunctioning object sensor and swap locations with another properly functioning front object sensor. Connect the harness connector at both sensors.
7. Ignition ON, verify the DTC is set for the new location in which the malfunctioning sensor is installed.
8. If the DTC does not set for the new location, test the signal circuit terminal 3 for a short to voltage, short to ground, or an open/high resistance. If the circuit tests normal, replace the K41 Parking Assist Control Module.
9. If the DTC sets for the new location in which the malfunctioning sensor is installed, replace the appropriate front object sensor.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-652232-S33658475782014082300000) prior to using this diagnostic procedure.
2. Review «STRATEGY BASED DIAGNOSTICS»(ref-652232-S31928919322014082300000) for an overview of the diagnostic approach.
3. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-652232-S26410554662014082300000) provides an overview of each diagnostic category.

DTC B0958 01

Parking Assist Rear Sensor Left Corner Circuit Short to Battery

DTC B0958 06

Parking Assist Rear Sensor Left Corner Circuit Low Voltage/Open

DTC B0958 08

Parking Assist Rear Sensor Left Corner Circuit Performance - Signal Invalid

DTC B0958 21

Parking Assist Rear Sensor Left Corner Circuit Incorrect Period

DTC B0958 3A

Parking Assist Rear Sensor Left Corner Circuit Incorrect Component Installed

DTC B0959 01

Parking Assist Rear Sensor Left Middle Circuit Short to Battery

DTC B0959 06

Parking Assist Rear Sensor Left Middle Circuit Low Voltage/Open

DTC B0959 08

Parking Assist Rear Sensor Left Middle Circuit Performance - Signal Invalid

DTC B0959 21

Parking Assist Rear Sensor Left Middle Circuit Incorrect Period

DTC B0959 3A

Parking Assist Rear Sensor Left Middle Circuit Incorrect Component Installed

DTC B0960 01

Parking Assist Rear Sensor Right Middle Circuit Short to Battery

DTC B0960 06

Parking Assist Rear Sensor Right Middle Circuit Low Voltage/Open

DTC B0960 08

Parking Assist Rear Sensor Right Middle Circuit Performance - Signal Invalid

DTC B0960 21

Parking Assist Rear Sensor Right Middle Circuit Incorrect Period

DTC B0960 3A

Parking Assist Rear Sensor Right Middle Circuit Incorrect Component Installed

DTC B0961 01

Parking Assist Rear Sensor Right Corner Circuit Short to Battery

DTC B0961 06

Parking Assist Rear Sensor Right Corner Circuit Low Voltage/Open

DTC B0961 08

Parking Assist Rear Sensor Right Corner Circuit Performance - Signal Invalid

DTC B0961 21

Parking Assist Rear Sensor Right Corner Circuit Incorrect Period

DTC B0961 3A

Parking Assist Rear Sensor Right Corner Circuit Incorrect Component Installed

1. Ignition ON
2. The parking assist is activated. The activation takes place through putting in the reverse gear or through operating the park assist switch.

B0958 01, B0959 01, B0960 01, or B0961 01

The parking assist control module has detected the voltage at the sensor circuit is greater than 11.5 V or the object sensor is not grounded.

B0958 06, B0959 06, B0960 06, or B0961 06

The parking assist control module has detected the voltage at the sensor circuit less than 0.5 V.

B0958 08, B0959 08, B0960 08, or B0961 08

The parking assist control module has received an invalid signal.

B0958 21, B0959 21, B0960 21, or B0961 21

The object sensor determines no change in the position of an object while the vehicle is in motion.

B0958 3A, B0959 3A, B0960 3A, or B0961 3A

The parking assist control module determines the wrong sensor type is installed.

1. The parking assist is disabled.
2. The driver information center displays SERVICE PARK ASSIST.

The condition for setting the DTC is no longer present.

CONTROL MODULE REFERENCES for scan tool information

1. Ignition OFF for 30 s, disconnect the harness connector at the appropriate rear object sensor.
2. Test for less than 5 ohms between the low reference circuit terminal 2 and ground.
3. If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K41 Front and Rear Parking Assist Control Module.
4. Ignition ON, transmission in REVERSE, test for 7.5-9.0 V between the 8 V reference circuit terminal 1 and ground.
5. If less than the specified range, test the 8 V reference circuit for an open/high resistance. If the circuit tests normal, replace the K41 Front and Rear Parking Assist Control Module.
6. Ignition OFF, remove the malfunctioning object sensor and swap locations with another properly functioning rear object sensor. Connect the harness connector at both sensors.
7. Ignition ON, verify the DTC is set for the new location in which the malfunctioning sensor is installed.
8. If the DTC does not set for the new location, test the signal circuit terminal 3 for a short to voltage, short to ground, or an open/high resistance. If the circuit tests normal, replace the K41 Front and Rear Parking Assist Control Module.
9. If the DTC sets for the new location in which the malfunctioning sensor is installed, replace the appropriate rear object sensor.

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-652232-S33658475782014082300000) prior to using this diagnostic procedure.
2. Review «STRATEGY BASED DIAGNOSTICS»(ref-652232-S31928919322014082300000) for an overview of the diagnostic approach.
3. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-652232-S26410554662014082300000) provides an overview of each diagnostic category.

DTC B0967 02

Parking Aid On/Off Switch Circuit Short to Ground

DTC B0968 01

Parking Aid On/Off Switch Indicator Circuit Short to Battery

DTC B0968 06

Parking Aid On/Off Switch Indicator Circuit Low Voltage/Open

1. Ignition ON
2. The parking assist is activated. The activation takes place by putting in the reverse gear or by pressing the parking assist switch.

B0967 02

The parking assist control module has detected a short to ground.

B0968 01

The parking assist control module has detected a short to battery.

B0968 06

The parking assist control module has detected a short to ground or open.

1. The parking assist is disabled.
2. The driver information center displays SERVICE PARK ASSIST.

The condition for setting the DTC is no longer present.

CONTROL MODULE REFERENCES for scan tool information

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-652232-S33658475782014082300000) prior to using this diagnostic procedure.
2. Review «STRATEGY BASED DIAGNOSTICS»(ref-652232-S31928919322014082300000) for an overview of the diagnostic approach.
3. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-652232-S26410554662014082300000) provides an overview of each diagnostic category.

DTC Descriptor

DTC B1015 00

Vehicle Identification Number Information Malfunction

Ignition voltage is between 9-16 V.

The VIN stored in the parking assist control module does not match the received VIN.

1. The parking assist is disabled.
2. The driver information center displays SERVICE PARK ASSIST.

The VIN stored in the parking assist control module matches the VIN stored in the body control module.

CONTROL MODULE REFERENCES for scan tool information

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-652232-S33658475782014082300000) prior to using this diagnostic procedure.
2. Review «STRATEGY BASED DIAGNOSTICS»(ref-652232-S31928919322014082300000) for an overview of the diagnostic approach.
3. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-652232-S26410554662014082300000) provides an overview of each diagnostic category.

DTC B1405 02

Control Module Voltage Reference Output 2 Circuit Short to Ground

DTC B1405 03

Control Module Voltage Reference Output 2 Circuit Low Voltage

DTC B1405 07

Control Module Voltage Reference Output 2 Circuit High Voltage

1. Ignition ON
2. The parking assist is activated. The activation takes place through putting in the reverse gear or through operating the parking assist switch.

B1405 02

The parking assist control module has detected the 8 V reference circuit is shorted to ground.

B1405 03

The parking assist control module has detected the 8 V reference circuit is less than 6.3 V.

B1405 07

The parking assist control module has detected the 8 V reference circuit is greater than 10.4 V.

1. The parking assist is disabled.
2. The driver information center displays SERVICE PARK ASSIST.

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 each of the object sensors.
2. Start at the B78G rear object sensor-left outer, ignition ON, activate the park assist, test for 6.3-10.4 V between the 8 V reference circuit terminal 1 at the object sensor harness connector and ground.
3. If less than the specified range, test the 8 V reference circuit for a short to ground. If the circuit tests normal, replace the K41 parking assist control module.
4. If greater than the specified range, test the 8 V reference circuit for a short to voltage. If the circuit tests normal, replace the K41 parking assist control module.
5. Install each object alarm sensor harness connector one at a time, checking DTCs after each sensor is connected. Verify DTC B1405 is not set as current.
6. If the DTC is set, replace the object alarm sensor that was connected immediately before the DTC set.
7. NOTE: Make sure to check front object sensors. If all circuits test normal, replace the K41 parking assist control module.

Visual/Physical Inspection

1. Inspect for aftermarket devices which may affect the operation of the system. Refer to «CHECKING AFTERMARKET ACCESSORIES»(ref-652238-S27245169932014082300000) .
2. Inspect for easily accessible or visible system components for obvious damage or conditions which may cause the symptom.
3. Make sure the parking assist sensors located on the rear bumper are clear. Remove any snow, mud or ice that is blocking the sensors.
4. Make sure the rear vision camera is clear. Remove any snow, mud or ice that is blocking the rear vision camera.

Symptom List

1. «PARKING ASSIST SYSTEM MALFUNCTION»(ref-652260-S08779052282014082300000)
2. «REAR VISION CAMERA SYSTEM MALFUNCTION»(ref-652260-S14085953812014082300000)

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-652232-S33658475782014082300000) prior to using this diagnostic procedure.
2. Review «STRATEGY BASED DIAGNOSTICS»(ref-652232-S31928919322014082300000) for an overview of the diagnostic approach.
3. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-652232-S26410554662014082300000) provides an overview of each diagnostic category.

Diagnostic Aids

When the "Park assist Off", "Park assist blocked, see owner's manual" or "Park assist blocked, see owner's manual" message is displayed in the driver information center. The disable reason is stored in the park assist disable history.

The scan tool Park Assist Disable History parameters are a list of the seven previous reasons the parking assist system was disabled. These parameters may help in the diagnosis of an intermittent concern or a customer concern which is the result of normal system operation. The following is a brief description of potential causes which may aid in diagnosis

1. Manual Disable - The parking assist system has been disabled through the parking assist switch or audio system personalization menu.
2. Hitch/Object Attached - The parking assist control module is detecting an object that is attached to the vehicle. Common items such as a hitch receiver, trailer, or a bicycle rack may cause this concern. Additionally, damage to the rear of the vehicle or a misaligned sensor may cause this concern. If the vehicle is damaged in a manner that causes the sensor to detect the bumper itself, the parking assist control module will interpret this as an attached object and disable the system. Carefully inspect the bumper, bumper mounting surface, and sensor retainers before continuing with normal diagnosis. After the detected cause has been addressed the vehicle must be driven at speed greater than 40 km/h (25 MPH).
3. Reverse Overspeed - The vehicle is travelling too fast in reverse at speeds of greater than 8 km/h (5 MPH).
4. Inhibit - The parking assist control module has lost or received invalid GMLAN signal(s).
5. Sensor Disturbance - An outside interference is causing sensor movement. Such interference may be caused a heavy pounding, like that of a nearby jackhammer, or large changes in pressure, such as a large truck's air brakes.
6. Sensor Ring Time - If the sensor fails its own diagnostic initialization the parking assist control module will set this error. After the detected cause has been addressed the vehicle must be driven at speed greater than 40 km/h (25 MPH). The following is a list of reasons this cause may have set: One or more of the sensors may be blocked by snow, mud, ice, or other debris. This might happen after going through a car wash in cold weather. Silicone insulator surrounding sensor maybe missing, cut, or twisted. Improperly installed sensor, sensor maybe be crooked due to a tight wire harness. One or more of the sensors may be scratched or the paint maybe chipped. Excessive paint thickness on a sensor may cause an excessive sensor ring time. When replacing or refinishing a sensor, do not apply an excessive amount of paint or clear coat.

CONTROL MODULE REFERENCES for scan tool information

1. Perform the «DIAGNOSTIC SYSTEM CHECK - VEHICLE»(ref-652232-S33658475782014082300000) prior to using this diagnostic procedure.
2. Review «STRATEGY BASED DIAGNOSTICS»(ref-652232-S31928919322014082300000) for an overview of the diagnostic approach.
3. «DIAGNOSTIC PROCEDURE INSTRUCTIONS»(ref-652232-S26410554662014082300000) provides an overview of each diagnostic category.

A poor video image can be caused by ice, snow, and mud buildup on the lens of the rearview camera. Also, extreme lighting conditions can affect performance, such as operating in the dark or with bright sunlight shining on the camera. Extreme high or low temperatures can also affect the image quality. An open in the shield of the video signal circuit can also cause a distorted screen.

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 rearview camera.
2. Test for less than 5 ohms between the ground circuit terminal 5 and ground.
3. If greater than the specified range, test the ground circuit for an open/high resistance.
4. Ignition ON, verify a test lamp illuminates between the ignition circuit terminal 6 and ground.
5. If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.
6. Engine running, park brake applied, transmission in REVERSE, test for greater than 11 V between the control circuit terminal 3 and ground.
7. If less than the specified value, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K9 body control module.
8. Ignition OFF, disconnect the X4 harness connector at the A11 Radio.
9. Ignition ON, test for less than 0.3 V between the following signal circuit terminals at the rearview camera harness connector and ground: Signal (+) circuit terminal 1 Signal (-) circuit terminal 4
10. If greater than the specified value, test the signal circuit for a short to voltage.
11. Test for infinite resistance between the following circuit terminals at the rearview camera harness connector and ground: Signal (+) circuit terminal 1 Signal (-) circuit terminal 4
12. If not the specified value, test the circuit for a short to ground.
13. Test for less than 5 ohms between the signal (+) circuit terminal 1 at the rearview camera harness connector and the signal (+) circuit terminal 5 X4 at the A11 Radio harness connector.
14. If greater than the specified value, test the signal circuit for an open/high resistance.
15. Test for less than 5 ohms between the signal (-) circuit terminal 4 at the rearview camera harness connector and the signal (-) circuit terminal 15 X4 at the A11 Radio harness connector.
16. If greater than the specified value, test the signal circuit for an open/high resistance.
17. If all circuits test normal, replace the rearview camera.
18. Engine running, transmission in REVERSE, verify a clear rear vision image is displayed on the radio.
19. If a clear rear vision image is not displayed, replace the A11 Radio.