Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2006CIVIC DX, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 76 (ADVANCED HYDRAULIC BOOSTER (HYBRID))DTC TROUBLESHOOTING INDEX
2006 Honda Civic DX, 4D Sedan, Automatic
DTC Troubleshooting Index
2006 Honda Civic DX, 4D Sedan, AutomaticSECTION DTC Troubleshooting Index
WARNING: This page is about a different variant/trim than selected.
DTC TROUBLESHOOTING CHART
| DTC | Detection Item | AHB Indicator | Brake System Indicator | Buzzer (by sound) |
|---|---|---|---|---|
| 11 | Motor Lock and Circuit Malfunction | ON | ON | ON |
| 12 | Motor Voltage Malfunction 1 | ON | ON/OFF | ON/OFF |
| 13 | Motor Voltage Malfunction 2 | ON | ON/OFF | ON/OFF |
| 14 | Motor Stuck ON | ON | ON | ON |
| 21 | PACC Sensor Malfunction | ON | ON | ON |
| 22 | PREG Sensor Malfunction | ON | OFF | OFF |
| 23 | PMC Sensor Malfunction | ON | OFF | OFF |
| 24 | Brake Pedal Stroke Sensor Malfunction | ON | OFF | OFF |
| 31 | NO Solenoid Valve Malfunction | ON | OFF | OFF |
| 32 | NC Solenoid Valve Malfunction | ON | OFF | OFF |
| 33 | RNO Solenoid Valve Malfunction | ON | OFF | OFF |
| 34 | RNC Solenoid Valve Malfunction | ON | OFF | OFF |
| 35 | NO Solenoid Valve Duty Limit Out | ON | OFF | OFF |
| 36 | NC Solenoid Valve Duty Limit Out | ON | OFF | OFF |
| 37 | RNO Solenoid Valve Duty Limit Out | ON | OFF | OFF |
| 38 | RNC Solenoid Valve Duty Limit Out | ON | OFF | OFF |
| 41 | Accumulator Stored Pressure Low | ON | OFF | OFF |
| 42 | Regulator Malfunction | ON | OFF | OFF |
| 43 | Master Cylinder Malfunction | ON | OFF | OFF |
| 44 | Partial Brake Pedal Stroke Sensor Malfunction | ON | OFF | OFF |
| 45 | Relation of Brake Pedal Stroke Sensor and PMC Sensor Malfunction | ON | OFF | OFF |
| 46 | Relation of Brake Pedal Stroke Sensor and PREG Sensor Malfunction | ON | OFF | OFF |
| 47 | Relation of PMC Sensor and PREG Sensor Malfunction | ON | OFF | OFF |
| 51 | Motor Circuit ON | ON | ON/OFF | ON/OFF |
| 52 | Motor Circuit OFF | ON | ON/OFF | ON/OFF |
| 54 | Fail-safe Relay Malfunction | ON | OFF | OFF |
| 61 | Control Unit Low Voltage | ON | ON/OFF | ON/OFF |
| 62 | Control Unit High Voltage | ON | OFF | OFF |
| 63 | Back Up Circuit Voltage Malfunction | ON | ON | ON/OFF |
| 64 | Brake Pedal Stroke Sensor, PREG Sensor and PMC Sensor Voltage Malfunction | ON | OFF | OFF |
| 65 | Control Unit Circuit Stuck ON | ON | OFF | OFF |
| 66 | Control Unit Circuit Stuck OFF | ON | OFF | OFF |
| 67 | IG1 Voltage Malfunction | ON | OFF | OFF |
| 68 | IG2 Voltage Malfunction | ON | OFF | OFF |
| 71 | Brake Pedal Position Switch Stuck ON | ON | OFF | OFF |
| 72 | Brake Pedal Position Switch Stuck OFF | ON | OFF | OFF |
| 73 | Brake Fluid Level Switch Malfunction | ON | OFF | OFF |
| 81 | Control Unit Internal Main Circuit Malfunction | ON | ON/OFF | ON/OFF |
| 82 | Control Unit Internal Subcircuit Malfunction | ON | ON/OFF | ON/OFF |
| 83 | F-CAN Malfunction | ON | ON | OFF |
| 84 | Sensor 0 (Zero) Position not Memorized | ON | OFF | OFF |
| 86 | F-CAN Malfunction (Bus-off, Communication) | ON | OFF | OFF |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.