01279: Difference between revisions
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* Check Longitudinal Acceleration Sensor (G251) | * Check Longitudinal Acceleration Sensor (G251) | ||
** Use Measuring Value Blocks (MVB) to check Sensor Signal for plausibility | ** Use Measuring Value Blocks (MVB) to check Sensor Signal for plausibility | ||
** Check Installation Position of Longitudinal Acceleration Sensor (G251) | |||
* Perform Longitudinal Acceleration Sensor (G251) Calibration | * Perform Longitudinal Acceleration Sensor (G251) Calibration | ||
** See Vehicle specific [[Diagnostic Procedures]] | ** See Vehicle specific [[Diagnostic Procedures]] | ||
* Check Wiring/Connectors from/to Longitudinal Acceleration Sensor (G251 | * Check Wiring/Connectors from/to Longitudinal Acceleration Sensor (G251) | ||
=== 01279 - Longitudinal Acceleration Sensor (G251): No or Incorrect Basic Setting / Adaptation === | |||
==== Possible Causes ==== | |||
* Longitudinal Acceleration Sensor (G251) Basic Setting lost/not performed | |||
==== Possible Solutions ==== | |||
* Perform Longitudinal Acceleration Sensor (G251) Basic Setting | |||
** See Vehicle specific [[Diagnostic Procedures]] for Details | |||
==== Special Notes ==== | |||
*The Longitudinal Acceleration Sensor - G251, is only installed for vehicles that have at least one of the following options: | |||
**1X1: Four-wheel drive | |||
**UG1: Hill start assist | |||
**UG4: Hill hold | |||
**7X5: Park assist | |||
**7X6: Park Assist with rear camera | |||
**8T3: Distance control (ADC) | |||
**7L6: Start-Stop system | |||
[[Category:Fault Codes]] | [[Category:Fault Codes]] | ||
Latest revision as of 16:42, 4 October 2024
01279 - Longitudinal Acceleration Sensor (G251)
01279 - Longitudinal Acceleration Sensor (G251): Implausible Signal
Possible Symptoms
- Malfunction Indicator Lamp (MIL) active
Possible Causes
- Longitudinal Acceleration Sensor (G251) Calibration not performed
- Wiring/Connectors from/to Longitudinal Acceleration Sensor (G251) faulty
Possible Solutions
- Check Longitudinal Acceleration Sensor (G251)
- Use Measuring Value Blocks (MVB) to check Sensor Signal for plausibility
- Check Installation Position of Longitudinal Acceleration Sensor (G251)
- Perform Longitudinal Acceleration Sensor (G251) Calibration
- See Vehicle specific Diagnostic Procedures
- Check Wiring/Connectors from/to Longitudinal Acceleration Sensor (G251)
01279 - Longitudinal Acceleration Sensor (G251): No or Incorrect Basic Setting / Adaptation
Possible Causes
- Longitudinal Acceleration Sensor (G251) Basic Setting lost/not performed
Possible Solutions
- Perform Longitudinal Acceleration Sensor (G251) Basic Setting
- See Vehicle specific Diagnostic Procedures for Details
Special Notes
- The Longitudinal Acceleration Sensor - G251, is only installed for vehicles that have at least one of the following options:
- 1X1: Four-wheel drive
- UG1: Hill start assist
- UG4: Hill hold
- 7X5: Park assist
- 7X6: Park Assist with rear camera
- 8T3: Distance control (ADC)
- 7L6: Start-Stop system