Code
C0015
ALFA ROMEO
C — Chassis
Left front discharge valve
Views:
UK: 16
EN: 22
RU: 17
AI status
Completed
Completed
100%
Causes
- Open or short in valve wiring (broken conductor, chafing)
- Corroded or loose connector at the valve or ABS module
- Faulty left-front discharge valve (stuck, internally shorted or open coil)
- Contaminated or mechanically blocked valve within ABS hydraulic unit
- Poor ground or low supply voltage to ABS/valve
- Faulty ABS hydraulic control module or internal driver circuit
Symptoms
- ABS, ESP or traction-control warning lamp illuminated
- Brake pedal feel may be softer or uneven under ABS intervention
- ABS may be unavailable or operate in a degraded mode
- Reduced braking stability or unexpected ABS activation on light braking
- Stored fault code(s) for ABS hydraulic valve circuit
What to check
- Read and record all ABS/ESP fault codes and freeze frame data with a scan tool
- Visually inspect wiring and connector for the left-front discharge valve for damage, corrosion, or water ingress
- With ignition on, backprobe connector: verify battery voltage on supply pin and good ground on ground pin
- Measure coil resistance at the valve connector (compare to specification or similar valve)
- Use diagnostic tool to command/activate the discharge valve while watching live data or listening for valve operation
- Wiggle wiring harness while observing live data to detect intermittent faults
Signal parameters
- Supply voltage (typical): ~12 V (with ignition on) — should be present at valve supply pin
- Coil resistance (typical): manufacturer-specific; expect low-ohm coil (tens of ohms). Compare left-front to other valves — large deviation indicates failure
- Command signal: PWM or on/off from ABS module; duty cycle 0–100% when commanded
- Response: valve current should change when actuator is commanded; no change suggests open/short or failed driver
Diagnostic algorithm
- Connect a capable scan tool; read and save ABS/ESP codes and live data. Note freeze-frame conditions.
- Clear the code and attempt to reproduce; if code returns, proceed to electrical checks.
- Visually inspect left-front valve connector and harness for damage, corrosion, pulled wires, or water ingress. Repair any obvious issues and retest.
- With ignition ON (engine off), backprobe connector: verify battery supply and ground continuity to chassis. Repair poor supply/ground if found.
- Measure valve coil resistance at connector; compare to spec or matching valve. Replace valve if open/short/very high resistance.
- Command the valve ON/OFF with diagnostic tool while monitoring voltage/current and listening for valve click. If commanded but no response and wiring is good, suspect valve or ABS module driver fault.
- If wiring and valve check good but faults persist, inspect ABS hydraulic module: check for internal faults, hydraulic contamination, or replace module as directed by OEM procedures.
- After repairs, clear codes, perform road test and re-scan to confirm repair. Ensure no related codes remain.
Likely causes
- Damaged connector or corroded pins at valve – common cause on older vehicles
- Open/short in harness near wheel well or steering components
- Failed valve coil (electrical failure)
Fault status
Status
ABS hydraulic unit reports left-front discharge valve circuit fault (electrical or functional fault detected). Service required to check valve, wiring, and ABS control module.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
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Code
C0015
FIAT
C — Chassis
Left front discharge valve
Views:
UK: 16
EN: 22
RU: 18
AI status
Completed
Completed
100%
Causes
- Open or short in valve wiring (broken conductor, chafing)
- Corroded or loose connector at the valve or ABS module
- Faulty left-front discharge valve (stuck, internally shorted or open coil)
- Contaminated or mechanically blocked valve within ABS hydraulic unit
- Poor ground or low supply voltage to ABS/valve
- Faulty ABS hydraulic control module or internal driver circuit
Symptoms
- ABS, ESP or traction-control warning lamp illuminated
- Brake pedal feel may be softer or uneven under ABS intervention
- ABS may be unavailable or operate in a degraded mode
- Reduced braking stability or unexpected ABS activation on light braking
- Stored fault code(s) for ABS hydraulic valve circuit
What to check
- Read and record all ABS/ESP fault codes and freeze frame data with a scan tool
- Visually inspect wiring and connector for the left-front discharge valve for damage, corrosion, or water ingress
- With ignition on, backprobe connector: verify battery voltage on supply pin and good ground on ground pin
- Measure coil resistance at the valve connector (compare to specification or similar valve)
- Use diagnostic tool to command/activate the discharge valve while watching live data or listening for valve operation
- Wiggle wiring harness while observing live data to detect intermittent faults
Signal parameters
- Supply voltage (typical): ~12 V (with ignition on) — should be present at valve supply pin
- Coil resistance (typical): manufacturer-specific; expect low-ohm coil (tens of ohms). Compare left-front to other valves — large deviation indicates failure
- Command signal: PWM or on/off from ABS module; duty cycle 0–100% when commanded
- Response: valve current should change when actuator is commanded; no change suggests open/short or failed driver
Diagnostic algorithm
- Connect a capable scan tool; read and save ABS/ESP codes and live data. Note freeze-frame conditions.
- Clear the code and attempt to reproduce; if code returns, proceed to electrical checks.
- Visually inspect left-front valve connector and harness for damage, corrosion, pulled wires, or water ingress. Repair any obvious issues and retest.
- With ignition ON (engine off), backprobe connector: verify battery supply and ground continuity to chassis. Repair poor supply/ground if found.
- Measure valve coil resistance at connector; compare to spec or matching valve. Replace valve if open/short/very high resistance.
- Command the valve ON/OFF with diagnostic tool while monitoring voltage/current and listening for valve click. If commanded but no response and wiring is good, suspect valve or ABS module driver fault.
- If wiring and valve check good but faults persist, inspect ABS hydraulic module: check for internal faults, hydraulic contamination, or replace module as directed by OEM procedures.
- After repairs, clear codes, perform road test and re-scan to confirm repair. Ensure no related codes remain.
Likely causes
- Damaged connector or corroded pins at valve – common cause on older vehicles
- Open/short in harness near wheel well or steering components
- Failed valve coil (electrical failure)
Fault status
Status
ABS hydraulic unit reports left-front discharge valve circuit fault (electrical or functional fault detected). Service required to check valve, wiring, and ABS control module.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
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Code
C0015
Generic
C — Chassis
Right Front Outlet Control
Views:
UK: 28
EN: 53
RU: 27
AI status
Completed
Completed
100%
Causes
- Open or short in valve wiring (broken conductor, chafing)
- Corroded or loose connector at the valve or ABS module
- Faulty left-front discharge valve (stuck, internally shorted or open coil)
- Contaminated or mechanically blocked valve within ABS hydraulic unit
- Poor ground or low supply voltage to ABS/valve
- Faulty ABS hydraulic control module or internal driver circuit
Symptoms
- ABS, ESP or traction-control warning lamp illuminated
- Brake pedal feel may be softer or uneven under ABS intervention
- ABS may be unavailable or operate in a degraded mode
- Reduced braking stability or unexpected ABS activation on light braking
- Stored fault code(s) for ABS hydraulic valve circuit
What to check
- Read and record all ABS/ESP fault codes and freeze frame data with a scan tool
- Visually inspect wiring and connector for the left-front discharge valve for damage, corrosion, or water ingress
- With ignition on, backprobe connector: verify battery voltage on supply pin and good ground on ground pin
- Measure coil resistance at the valve connector (compare to specification or similar valve)
- Use diagnostic tool to command/activate the discharge valve while watching live data or listening for valve operation
- Wiggle wiring harness while observing live data to detect intermittent faults
Signal parameters
- Supply voltage (typical): ~12 V (with ignition on) — should be present at valve supply pin
- Coil resistance (typical): manufacturer-specific; expect low-ohm coil (tens of ohms). Compare left-front to other valves — large deviation indicates failure
- Command signal: PWM or on/off from ABS module; duty cycle 0–100% when commanded
- Response: valve current should change when actuator is commanded; no change suggests open/short or failed driver
Diagnostic algorithm
- Connect a capable scan tool; read and save ABS/ESP codes and live data. Note freeze-frame conditions.
- Clear the code and attempt to reproduce; if code returns, proceed to electrical checks.
- Visually inspect left-front valve connector and harness for damage, corrosion, pulled wires, or water ingress. Repair any obvious issues and retest.
- With ignition ON (engine off), backprobe connector: verify battery supply and ground continuity to chassis. Repair poor supply/ground if found.
- Measure valve coil resistance at connector; compare to spec or matching valve. Replace valve if open/short/very high resistance.
- Command the valve ON/OFF with diagnostic tool while monitoring voltage/current and listening for valve click. If commanded but no response and wiring is good, suspect valve or ABS module driver fault.
- If wiring and valve check good but faults persist, inspect ABS hydraulic module: check for internal faults, hydraulic contamination, or replace module as directed by OEM procedures.
- After repairs, clear codes, perform road test and re-scan to confirm repair. Ensure no related codes remain.
Likely causes
- Damaged connector or corroded pins at valve – common cause on older vehicles
- Open/short in harness near wheel well or steering components
- Failed valve coil (electrical failure)
Fault status
Status
ABS hydraulic unit reports left-front discharge valve circuit fault (electrical or functional fault detected). Service required to check valve, wiring, and ABS control module.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
Similar codes
Repair manuals
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Code
C0015
HYUNDAI
C — Chassis
Right Front Outlet Control (Subfault)
Views:
UK: 16
EN: 35
RU: 18
AI status
Completed
Completed
100%
Causes
- Open or short in valve wiring (broken conductor, chafing)
- Corroded or loose connector at the valve or ABS module
- Faulty left-front discharge valve (stuck, internally shorted or open coil)
- Contaminated or mechanically blocked valve within ABS hydraulic unit
- Poor ground or low supply voltage to ABS/valve
- Faulty ABS hydraulic control module or internal driver circuit
Symptoms
- ABS, ESP or traction-control warning lamp illuminated
- Brake pedal feel may be softer or uneven under ABS intervention
- ABS may be unavailable or operate in a degraded mode
- Reduced braking stability or unexpected ABS activation on light braking
- Stored fault code(s) for ABS hydraulic valve circuit
What to check
- Read and record all ABS/ESP fault codes and freeze frame data with a scan tool
- Visually inspect wiring and connector for the left-front discharge valve for damage, corrosion, or water ingress
- With ignition on, backprobe connector: verify battery voltage on supply pin and good ground on ground pin
- Measure coil resistance at the valve connector (compare to specification or similar valve)
- Use diagnostic tool to command/activate the discharge valve while watching live data or listening for valve operation
- Wiggle wiring harness while observing live data to detect intermittent faults
Signal parameters
- Supply voltage (typical): ~12 V (with ignition on) — should be present at valve supply pin
- Coil resistance (typical): manufacturer-specific; expect low-ohm coil (tens of ohms). Compare left-front to other valves — large deviation indicates failure
- Command signal: PWM or on/off from ABS module; duty cycle 0–100% when commanded
- Response: valve current should change when actuator is commanded; no change suggests open/short or failed driver
Diagnostic algorithm
- Connect a capable scan tool; read and save ABS/ESP codes and live data. Note freeze-frame conditions.
- Clear the code and attempt to reproduce; if code returns, proceed to electrical checks.
- Visually inspect left-front valve connector and harness for damage, corrosion, pulled wires, or water ingress. Repair any obvious issues and retest.
- With ignition ON (engine off), backprobe connector: verify battery supply and ground continuity to chassis. Repair poor supply/ground if found.
- Measure valve coil resistance at connector; compare to spec or matching valve. Replace valve if open/short/very high resistance.
- Command the valve ON/OFF with diagnostic tool while monitoring voltage/current and listening for valve click. If commanded but no response and wiring is good, suspect valve or ABS module driver fault.
- If wiring and valve check good but faults persist, inspect ABS hydraulic module: check for internal faults, hydraulic contamination, or replace module as directed by OEM procedures.
- After repairs, clear codes, perform road test and re-scan to confirm repair. Ensure no related codes remain.
Likely causes
- Damaged connector or corroded pins at valve – common cause on older vehicles
- Open/short in harness near wheel well or steering components
- Failed valve coil (electrical failure)
Fault status
Status
ABS hydraulic unit reports left-front discharge valve circuit fault (electrical or functional fault detected). Service required to check valve, wiring, and ABS control module.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
Similar codes
Repair manuals
Manual library for HYUNDAI
370
Browse 370 HYUNDAI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
HYUNDAI
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HYUNDAI: 2023
-
Elantra
-
Elantra N
-
Kona N
-
Tucson
- Hybrid Blue
- Hybrid Limited
- Hybrid SEL Convenience
- Limited, Eng CD G4EN, 4WD
- Limited, Eng CD G4EN, FWD
- Limited, Eng CD G4KN, 4WD
- Limited, Eng CD G4KN, FWD
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- N Line, Eng CD G4EN, FWD
- N Line, Eng CD G4KN, 4WD
- N Line, Eng CD G4KN, FWD
- Plug-In Hybrid Limited
- Plug-In Hybrid SEL
- SE, Eng CD G4EN, 4WD
- SE, Eng CD G4EN, FWD
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- SE, Eng CD G4KN, FWD
- SEL, Eng CD G4EN, 4WD
- SEL, Eng CD G4EN, FWD
- SEL, Eng CD G4KN, 4WD
- SEL, Eng CD G4KN, FWD
- XRT, Eng CD G4EN, 4WD
- XRT, Eng CD G4EN, FWD
- XRT, Eng CD G4KN, 4WD
- XRT, Eng CD G4KN, FWD
-
-
HYUNDAI: 2022
-
Elantra N
-
Kona N
-
Veloster N
-
HYUNDAI: 2021
-
Veloster N
-
HYUNDAI: 2020
-
Palisade
-
Veloster N
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Code
C0015
LAND ROVER
C — Chassis
Right front output control
Views:
UK: 17
EN: 21
RU: 13
AI status
Completed
Completed
100%
Causes
- Open or short in valve wiring (broken conductor, chafing)
- Corroded or loose connector at the valve or ABS module
- Faulty left-front discharge valve (stuck, internally shorted or open coil)
- Contaminated or mechanically blocked valve within ABS hydraulic unit
- Poor ground or low supply voltage to ABS/valve
- Faulty ABS hydraulic control module or internal driver circuit
Symptoms
- ABS, ESP or traction-control warning lamp illuminated
- Brake pedal feel may be softer or uneven under ABS intervention
- ABS may be unavailable or operate in a degraded mode
- Reduced braking stability or unexpected ABS activation on light braking
- Stored fault code(s) for ABS hydraulic valve circuit
What to check
- Read and record all ABS/ESP fault codes and freeze frame data with a scan tool
- Visually inspect wiring and connector for the left-front discharge valve for damage, corrosion, or water ingress
- With ignition on, backprobe connector: verify battery voltage on supply pin and good ground on ground pin
- Measure coil resistance at the valve connector (compare to specification or similar valve)
- Use diagnostic tool to command/activate the discharge valve while watching live data or listening for valve operation
- Wiggle wiring harness while observing live data to detect intermittent faults
Signal parameters
- Supply voltage (typical): ~12 V (with ignition on) — should be present at valve supply pin
- Coil resistance (typical): manufacturer-specific; expect low-ohm coil (tens of ohms). Compare left-front to other valves — large deviation indicates failure
- Command signal: PWM or on/off from ABS module; duty cycle 0–100% when commanded
- Response: valve current should change when actuator is commanded; no change suggests open/short or failed driver
Diagnostic algorithm
- Connect a capable scan tool; read and save ABS/ESP codes and live data. Note freeze-frame conditions.
- Clear the code and attempt to reproduce; if code returns, proceed to electrical checks.
- Visually inspect left-front valve connector and harness for damage, corrosion, pulled wires, or water ingress. Repair any obvious issues and retest.
- With ignition ON (engine off), backprobe connector: verify battery supply and ground continuity to chassis. Repair poor supply/ground if found.
- Measure valve coil resistance at connector; compare to spec or matching valve. Replace valve if open/short/very high resistance.
- Command the valve ON/OFF with diagnostic tool while monitoring voltage/current and listening for valve click. If commanded but no response and wiring is good, suspect valve or ABS module driver fault.
- If wiring and valve check good but faults persist, inspect ABS hydraulic module: check for internal faults, hydraulic contamination, or replace module as directed by OEM procedures.
- After repairs, clear codes, perform road test and re-scan to confirm repair. Ensure no related codes remain.
Likely causes
- Damaged connector or corroded pins at valve – common cause on older vehicles
- Open/short in harness near wheel well or steering components
- Failed valve coil (electrical failure)
Fault status
Status
ABS hydraulic unit reports left-front discharge valve circuit fault (electrical or functional fault detected). Service required to check valve, wiring, and ABS control module.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
Similar codes
Repair manuals
Manual library for LAND ROVER
160
Browse 160 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
LAND ROVER
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LAND ROVER: 2023
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Range Rover Velar
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Discovery Sport
-
Range Rover
- Autobiography, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover Autobiography
- 2022 Range Rover Base
- First Edition
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- SV
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic Blk.
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Range Rover Evoque
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Range Rover Sport
-
Range Rover Velar
-
LAND ROVER: 2021
-
Discovery Sport
-
Range Rover
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Autobiography
- Autobiography Fifty Edition
- 2021 Range Rover Base
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover HSE
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover HSE Westminster
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic Blk.
-
Range Rover Evoque
-
Range Rover Sport
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography Dynamic
- HSE Dynamic
- HSE Silver Edition, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Sport HSE Silver Edition
- HST
- SE
- SVR
- SVR Carbon Edition
-
Range Rover Velar
-
LAND ROVER: 2020
-
Discovery
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE
- HSE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE
- HSE Luxury, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE Luxury
- HSE Luxury, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE Luxury
- Landmark
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery SE
- SE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery SE
-
Discovery Sport
-
Range Rover
- Autobiography
- Base, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Base
- Base, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Base
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover HSE
- SVAutobiography
- SVAutobiography Dynamic
-
Range Rover Evoque
-
Range Rover Sport
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport Autobiography Dynamic
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport HSE
- HSE Dynamic
- HSE PHEV
- HST
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport SE
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport SE
- SVR
-
Range Rover Velar
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Range Rover Velar R-Dynamic S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Range Rover Velar S
- S, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Range Rover Velar S
- SVAutobiography Dyn.
-
LAND ROVER: 2019
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