SYMPTOM TROUBLESHOOTING [DYNAMIC STABILITY CONTROL (DSC)]

id0403b2804200

• Verify the symptoms, and perform troubleshooting according to the appropriate number.

No.

Symptom

1

Any of the following lights do not illuminate with switch the ignition to ON:

•  ABS warning light

•  Brake system warning light

•  DSC indicator light

•  DSC OFF light

2

Any of the following lights stay on:

•  ABS warning light

•  Brake system warning light

•  DSC indicator light

•  DSC OFF light

3

There is a malfunction in the system even though ABS warning light, brake system warning light, DSC indicator light and DSC OFF light do not illuminate

4

ABS or TCS^*1 operates frequently

TCS does not work correctly

5

DSC^*2 operates frequently

DSC does not work correctly

6

DSC indicator light flashes (when neither the TCS nor the DSC are operating)

7

Hill launch assist (HLA) operates even on a downhill

Hill launch assist (HLA) does not operate on a slope

No.	Symptom
1	Any of the following lights do not illuminate with switch the ignition to ON: • ABS warning light • Brake system warning light • DSC indicator light • DSC OFF light
2	Any of the following lights stay on: • ABS warning light • Brake system warning light • DSC indicator light • DSC OFF light
3	There is a malfunction in the system even though ABS warning light, brake system warning light, DSC indicator light and DSC OFF light do not illuminate
4	ABS or TCS^*1 operates frequently
TCS does not work correctly
5	DSC^*2 operates frequently
DSC does not work correctly
6	DSC indicator light flashes (when neither the TCS nor the DSC are operating)
7	Hill launch assist (HLA) operates even on a downhill
Hill launch assist (HLA) does not operate on a slope

X: Applied

Troubleshooting item	1	2	3	4	5	6	7
Troubleshooting item
DSC HU/CM does not operate	X	X
Communication error between DSC HU/CM and instrument cluster	X	X
DSC HU/CM internal malfunction	X	X
Instrument cluster malfunction	X	X
Brake fluid amount is low		X
DSC HU/CM detected malfunction (input and output device malfunction)		X		X	X		X
DSC HU/CM detects low voltage in power supply		X
DSC HU/CM ground malfunction	X	X
No connection at DSC HU/CM connector		X
Parking brake does not release		X					X
Parking brake switch or brake fluid level sensor stuck on		X
Short to ground in wiring harness between brake fluid level sensor and BCM		X
Short to ground in wiring harness between parking brake switch and BCM		X
There is a mechanical malfunction in system			X
Incorrect ABS wheel-speed signal is inputted to DSC HU/CM				X	X		X
There is a difference in size, air pressure or wear conditions between front and rear tires				X	X		X
There is a malfunction in engine control system (TCS malfunction)				X
Poor installation with SAS control module (yaw rate sensor, low-G (XY) sensor) and/or steering angle sensor					X		X
DSC HU/CM initial setting has not been performed after replacing DSC HU/CM		X			X		X
Steering angle sensor initialization has not been performed after replacing steering angle sensor		X			X		X
Non-completion of module configuration		X				X	X
Input signal malfunction from BCM (parking brake signal/reverse gear signal)							X
Communication error between DSC HU/CM and BCM		X					X
Communication error between DSC HU/CM and PCM		X					X
Low-G (XY) sensor initialization has not been performed after replacing SAS control module		X					X
DSC HU/CM detects a malfunction (input/output device malfunction)		X					X
Center point of low-G (XY) sensor has deviated							X
PCM and BCM detect a malfunction		X					X
Error input signal from PCM		X					X
Brake (foot brake/parking brake) drag							X
Improper brake switch signal input to PCM^*3		X

*1 :DSC system function contains traction control function, DSC indicator light goes on and off while TCS operates

*2 :DSC indicator light goes on and off while DSC operates

*3 :Applied VIN (assumed): GH1***429761—, GH1***-442043—, GH10**-206766—, GH10**-210449—, GH****-210421—, GH1***-442043—, GH1***-442043—, GH10**-210449—