ABS (anti-lock Brakes) Troubleshooting Codes

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These were orig. posted as 96-98 error codes, but most likely cover all the abs units.
most commonly mounted in the passenger side trunk of civics...
Fault codeFault location
11Open circuit in right hand front wheel speed sensor
12Short circuit in right hand front wheel speed sensor
13Open circuit in left hand front wheel speed sensor
14Short circuit in left hand front wheel speed sensor
15Open circuit right hand rear wheel speed sensor
16Short circuit right hand rear wheel speed sensor
17Open circuit left hand rear wheel speed sensor
18Short circuit left hand rear wheel speed sensor
21Damage to rotor teeth
31Right hand front inlet, hydraulic modulator solenoid valve
32Right hand front outlet, hydraulic modulator solenoid valve
33Left hand front inlet, hydraulic modulator solenoid valve
34Left hand front outlet, hydraulic modulator solenoid valve
35Right hand rear inlet, hydraulic modulator solenoid valve
36Right hand rear outlet, hydraulic modulator solenoid valve
37Left hand rear inlet, hydraulic modulator solenoid valve
38Left hand rear outlet, hydraulic modulator solenoid valve
51The pump motor is locked
52The pump motor is inoperative
53The pump motor is constantly on
54Inoperative relay
61Low supply voltage
81The combination control module or relay
Fault codeFault location
12Self diagnosis-initiating
16Left hand front inlet, hydraulic modulator solenoid valve
17Right hand front inlet, hydraulic modulator solenoid valve
19Relay of the hydraulic modulator solenoid valve
25Damage to rotor teeth
26Left hand rear inlet, hydraulic modulator solenoid valve
27Right hand rear inlet, hydraulic modulator solenoid valve
28Left hand front outlet, hydraulic modulator solenoid valve
29Right hand front outlet, hydraulic modulator solenoid valve
31Left hand rear outlet, hydraulic modulator solenoid valve
32Right hand rear outlet, hydraulic modulator solenoid valve
35The pump motor
37The (BPP)Brake pedal position switch
39Open circuit in the left front wheel speed sensor
41Short circuit in the left front wheel speed sensor
42Open circuit in right front wheel speed sensor
43Short circuit in right front wheel speed sensor
44Open circuit in left rear wheel speed sensor
45Short circuit in left rear wheel speed sensor
46Open circuit in right rear wheel speed sensor
47Short circuit in right rear wheel speed sensor
48Low supply voltage
55The combination control module or relay
56Operating error with fault code indication


CIVIC 5 DOOR 1995, ACCORD COUPE 1994-97, ACCORD1995-97
Fault codeFault location
1The hydraulic pump motor is over-run
1-2The hydraulic pump motor
1-3Is a high pressure leak
1-4The pressure switch
1-8Accumulator of high pressure system
2-1Circuit of handbrake warning lamp switch
3-1Rotor teeth damaged on right hand front wheel speed sensor
3-2Rotor teeth damaged on left hand front wheel speed sensor
3-4Rotor teeth damaged on right hand rear wheel speed sensor
3-8Rotor teeth damaged on left hand rear wheel speed sensor
3-12Combination of different sizes of tyres
4-1Circuit of right hand front wheel speed sensor
4-2Circuit of left hand front wheel speed sensor
4-4Circuit of right hand rear wheel speed sensor
4-8Circuit of left hand rear wheel speed sensor
5-4Right hand rear wheel lock
5-8Left hand rear wheel lock
6-1Front fail safe relay
6-4Rear fail safe relay
7-1Right hand front, hydraulic modulator solenoid valve
7-2Left hand front, hydraulic modulator solenoid valve
7-4Rear, hydraulic modulator solenoid valve
8-1Operation of the ABS
8-2The ECU
8-4Internal circuit of the ECU
 
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