Difference between revisions of "01279"

From Ross-Tech Wiki
m
 
(One intermediate revision by one other user not shown)
Line 21: Line 21:
 
** 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 11:42, 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
  • 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


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