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Dongfeng Tianlong SINOTRUK SHACMAN Knorr-Bremse ABS+ESP Module Axle Valve K169912S2
Core Technical Function: Integration of ABS and ESP
1. ABS (Anti-lock Braking System) Control: Receives real-time signals from rear-wheel speed sensors. During emergency braking, it utilizes precision internal solenoid valves to rapidly adjust air pressure in the rear-wheel brake chambers, preventing rear-axle tires from locking up and ensuring directional stability when a heavy-duty truck brakes on slippery surfaces.
2. ESP (Electronic Stability Program) Control: Operates in conjunction with the vehicle's roll and steering angle sensors. When a heavily loaded long-haul truck experiences sideslip or a tendency to roll over-such as during high-speed cornering or obstacle avoidance maneuvers-the module actively applies precise braking pressure to specific wheels. This forcibly corrects the vehicle's attitude, preventing jackknifing or rollover accidents.
Fault Symptoms and Replacement Recommendations
1. Common Warning Lights: The "ABS Fault" and "ESP/Anti-Skid System Disabled" warning lights illuminate simultaneously on the dashboard.
2. Root Cause Diagnosis: Before suspecting a faulty valve body, use a commercial vehicle diagnostic tool to read the fault codes. Often, issues such as a damaged rear wheel speed sensor, corroded wiring harness connectors, or significant water accumulation in the chassis air lines can trigger the same ESP warning.
3. Replacement and Matching: Replacing the solenoid valve body typically involves a direct hardware swap; however, because the component is linked to the vehicle's ESP dynamics parameters, some models may require channel calibration and system setup using the NEO diagnostic system or the heavy-duty truck manufacturer's diagnostic computer. Failure to do so may prevent the ESP system from activating correctly.
DETAILS
| DESCRIPTION | ABS+ESP Module Axle Valve | PART NUMBER | K169912S2 |
| WEIGHT | 5kg | VOLUME | 245 mm × 185 mm × 160 mm |
| TRUCK MOLDE | Knorr-Bremse | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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