Subaru Legacy (2005 year). Manual — part 794

VDC(diag)-41

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

List of Diagnostic Trouble Code (DTC)

C0052

58AXH

Motor and motor relay

Motor/motor relay sys-
tem

<Ref. to VDC(diag)-81, DTC C0052 MOTOR/
MOTOR RELAY MALFUNCTION, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>

5A0XH

Motor and motor relay
OFF failure

Motor/motor relay OFF
malfunction

<Ref. to VDC(diag)-83, DTC C0052 MOTOR/
MOTOR RELAY OFF MALFUNCTION, Diagnos-
tic Procedure with Diagnostic Trouble Code
(DTC).>

58EXH

Motor and motor relay
ON failure

Motor/motor relay ON
malfunction

<Ref. to VDC(diag)-84, DTC C0052 MOTOR/
MOTOR RELAY ON MALFUNCTION, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>

58CXH

Motor malfunction

Motor

<Ref. to VDC(diag)-85, DTC C0052 MOTOR,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>

C0054

0A0XH

Brake Light Switch

BLS open circuit

<Ref. to VDC(diag)-86, DTC C0054 BLS OPEN
CIRCUIT, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>

08CXH

BLS ON malfunction

BLS ON malfunction

<Ref. to VDC(diag)-88, DTC C0054 BLS ON
MALFUNCTION, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>

C0057

820XH

ECM communication
circuit

CAN communication
malfunction of engine
control module

<Ref. to VDC(diag)-90, DTC C0057 ECM COM-
MUNICATION, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>

740XH

ECM control system

Cooperation control
prohibition of engine
control module

<Ref. to VDC(diag)-90, DTC C0057 ECM CON-
TROL, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>

C0061

4A0XH

Normal opening valve 1
malfunction

Secondary cut valve
malfunction in
VDCCM&H/U

<Ref. to VDC(diag)-60, DTC C0061 SECOND-
ARY CUT VALVE MALFUNCTION IN
VDCCM&H/U, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>

C0062

4E0XH

Normal opening valve 2
malfunction

Primary cut valve mal-
function in VDCCM&H/
U

<Ref. to VDC(diag)-60, DTC C0062 PRIMARY
CUT VALVE MALFUNCTION IN VDCCM&H/U,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>

C0063

520XH

Normal closing valve 1
malfunction

Secondary suction
valve malfunction in
VDCCM&H/U

<Ref. to VDC(diag)-60, DTC C0063 SECOND-
ARY SUCTION VALVE MALFUNCTION IN
VDCCM&H/U, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>

C0064

560XH

Normal closing valve 2
malfunction

Primary suction valve
malfunction in
VDCCM&H/U

<Ref. to VDC(diag)-60, DTC C0064 PRIMARY
SUCTION VALVE MALFUNCTION IN
VDCCM&H/U, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>

DTC

Detailed

code

Display

Contents of diagnosis

Reference target

VDC(diag)-42

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

List of Diagnostic Trouble Code (DTC)

C0071

148XH

Steering angle sensor
offset is too big

Excessive steering
angle sensor output off-
set

<Ref. to VDC(diag)-91, DTC C0071 EXCESSIVE
STEERING ANGLE SENSOR OUTPUT OFFSET,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>

14AXH

Change range of steer-
ing angle sensor is too
big

Excessive variation
amount of steering
angle sensor output

<Ref. to VDC(diag)-94, DTC C0071 EXCESSIVE
VARIATION AMOUNT OF STEERING ANGLE
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

142XH
144XH
146XH

14EXH

158XH

15AXH
15CXH
15EXH
14CXH

164XH
166XH

16AXH
16CXH
16EXH

170XH

Steering angle sensor
malfunction

Steering angle sensor
output

<Ref. to VDC(diag)-97, DTC C0071 STEERING
ANGLE SENSOR OUTPUT, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>

160XH

No signal from steering
angle sensor

Steering angle sensor
communication

<Ref. to VDC(diag)-100, DTC C0071 STEERING
ANGLE SENSOR COMMUNICATION, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>

764XH

Steering angle sensor
malfunction

Steering angle sensor
power supply malfunc-
tion

<Ref. to VDC(diag)-103, DTC C0071 STEERING
ANGLE SENSOR POWER SUPPLY MALFUNC-
TION, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>

C0072

184XH
188XH

18EXH

Abnormal yaw rate sen-
sor output

Yaw rate sensor output

<Ref. to VDC(diag)-107, DTC C0072 YAW RATE
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

180XH
182XH
186XH
190XH
194XH
196XH
198XH

19AXH

Abnormal yaw rate sen-
sor output

Yaw rate sensor output

<Ref. to VDC(diag)-107, DTC C0072 YAW RATE
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

192XH

Abnormal yaw rate sen-
sor output

Yaw rate sensor output

<Ref. to VDC(diag)-107, DTC C0072 YAW RATE
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

1A0XH
18BXH

Voltage inputted to yaw
rate sensor exceeds
specification

Yaw rate sensor power
supply/output

<Ref. to VDC(diag)-109, DTC C0072 YAW RATE
SENSOR POWER/OUTPUT, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>

19CXH

Abnormal yaw rate sen-
sor reference voltage

Yaw rate sensor refer-
ence

<Ref. to VDC(diag)-112, DTC C0072 YAW RATE
SENSOR REFERENCE, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>

18CXH

Change range of yaw
rate sensor signal is too
big

Excessive variation
amount of yaw rate sen-
sor output

<Ref. to VDC(diag)-115, DTC C0072 EXCES-
SIVE VARIATION AMOUNT OF YAW RATE
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

DTC

Detailed

code

Display

Contents of diagnosis

Reference target

VDC(diag)-43

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

List of Diagnostic Trouble Code (DTC)

C0073

1C8XH

1CAXH

Lateral G sensor offset
is too big

Excessive amount of
lateral G sensor output
offset

<Ref. to VDC(diag)-118, DTC C0073 EXCES-
SIVE AMOUNT OF LATERAL G SENSOR OUT-
PUT OFFSET, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

1C0XH
1C6XH
1D8XH

Abnormal lateral G sen-
sor output

Lateral G sensor output

<Ref. to VDC(diag)-118, DTC C0073 LATERAL G
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

1CCXH

Change range of lateral
G sensor is too big

Excessive variation
amount of lateral G
sensor output

<Ref. to VDC(diag)-118, DTC C0073 EXCES-
SIVE VARIATION AMOUNT OF LATERAL G
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

1D2XH

Excessive lateral G sen-
sor signal

Excessive lateral G
sensor output

<Ref. to VDC(diag)-119, DTC C0073 EXCES-
SIVE LATERAL G SENSOR OUTPUT, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>

1E0XH

Voltage inputted to lat-
eral G sensor exceeds
specification

Lateral G sensor power/
output

<Ref. to VDC(diag)-121, DTC C0073 LATERAL G
SENSOR POWER/OUTPUT, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>

C0074

118XH

Pressure sensor test
failure

Pressure sensor test
malfunction

<Ref. to VDC(diag)-124, DTC C0074 PRESSURE
SENSOR TEST MALFUNCTION, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>

110XH

Pressure sensor offset
is too big

Excessive pressure
sensor output offset

<Ref. to VDC(diag)-126, DTC C0074 EXCES-
SIVE PRESSURE SENSOR OUTPUT OFFSET,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>

120XH
113XH

Pressure sensor power/
output

Pressure sensor power/
output

<Ref. to VDC(diag)-127, DTC C0074 PRESSURE
SENSOR POWER/OUTPUT, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>

102XH
108XH

Pressure sensor output

Pressure sensor output

<Ref. to VDC(diag)-128, DTC C0074 PRESSURE
SENSOR OUTPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>

124XH

Pressure sensor power
supply malfunction

Pressure sensor power
supply malfunction

<Ref. to VDC(diag)-130, DTC C0074 PRESSURE
SENSOR POWER MALFUNCTION, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>

C0081

746XH

System failure

System malfunction

<Ref. to VDC(diag)-131, DTC C0081 SYSTEM
MALFUNCTION, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>

DTC

Detailed

code

Display

Contents of diagnosis

Reference target

VDC(diag)-44

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

12.Diagnostic Procedure with Diagnostic Trouble Code (DTC)

A: DTC C0021 FRONT ABS WHEEL SPEED SENSOR RH POWER SUPPLY

MALFUNCTION

NOTE:
For the diagnostic procedure, refer to DTC C0027 REAR ABS WHEEL SPEED SENSOR LH POWER SUP-
PLY MALFUNCTION. <Ref. to VDC(diag)-45, DTC C0027 REAR ABS WHEEL SPEED SENSOR LH POW-
ER SUPPLY MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

B: DTC C0023 FRONT ABS WHEEL SPEED SENSOR LH POWER SUPPLY

MALFUNCTION

NOTE:
For the diagnostic procedure, refer to DTC C0027 REAR ABS WHEEL SPEED SENSOR LH POWER SUP-
PLY MALFUNCTION. <Ref. to VDC(diag)-45, DTC C0027 REAR ABS WHEEL SPEED SENSOR LH POW-
ER SUPPLY MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>

C: DTC C0025 REAR ABS WHEEL SPEED SENSOR RH POWER SUPPLY MAL-

FUNCTION

NOTE:
For the diagnostic procedure, refer to DTC C0027 REAR ABS WHEEL SPEED SENSOR LH POWER SUP-
PLY MALFUNCTION. <Ref. to VDC(diag)-45, DTC C0027 REAR ABS WHEEL SPEED SENSOR LH POW-
ER SUPPLY MALFUNCTION, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>