Module

Fault Codes B1600 to B1699

B1600 PATS (Passive Anti-Theft System) ignition key transponder signal is not received
B1601 PATS received incorrect key-code from ignition key transponder
B1602 PATS received invlaid format of key-code from ignition key transpnder
B1603 Anti-theft indicator lamp circuit failure
B1604 Anti-theft indicator lamp circuit open
B1605 Anti-theft indicator lamp circuit short to battery
B1606 Anti-theft indicator lamp circuit short to ground
B1607 Illuminated entry input circuit failure
B1608 Illuminated entry input circuit open
B1609 Illuminated entry input circuit short to battery
B1610 Illuminated entry input circuit short to ground
B1611 Wiper rear mode select switch circuit failure
B1612 Wiper rear mode select switch circuit open
B1613 Wiper rear mode select switch circuit short to battery
B1614 Wiper rear mode select switch circuit short to ground
B1615 Wiper rear disable switch circuit failure
B1616 Wiper rear disable switch circuit open
B1617 Wiper rear disable switch circuit short to battery
B1618 Wiper rear disable switch circuit short to ground
B1619 Wiper rear low limit inout circuit failure
B1620 Wiper rear low limit inout circuit open
B1621 Wiper rear low limit inout circuit short to battery
B1622 Wiper rear low limit inout circuit short to ground
B1623 Lamp keypad output circuit failure
B1624 Lamp keypad output circuit open
B1625 Lamp keypad output circuit short to battery
B1626 Lamp keypad output circuit short to ground
B1627 PRNDL reverse input circuit failure
B1628 PRNDL reverse input circuit open
B1629 PRNDL reverse input circuit short to battery
B1630 PRNDL reverse input circuit short to ground
B1631 Mirror driver left circuit failure
B1632 Mirror driver left circuit open
B1633 Mirror driver left circuit short to battery
B1634 Mirror driver left circuit short to ground
B1635 Mirror driver right circuit failure
B1636 Mirror driver right circuit open
B1637 Mirror driver right circuit short to battery
B1638 Mirror driver right circuit short to ground
B1639 Mirror passenger left circuit failure
B1640 Mirror passenger left circuit open
B1641 Mirror passenger left circuit short to battery
B1642 Mirror passenger left circuit short to ground
B1643 Mirror passenger right circuit failure
B1644 Mirror passenger right circuit open
B1645 Mirror passenger right circuit short to battery
B1646 Mirror passenger right circuit short to ground
B1647 Seat driver recline forward circuit failure
B1648 Seat driver recline forward circuit open
B1649 Seat driver recline forward circuit short to battery
B1650 Seat driver recline forward circuit short to ground
B1651 Seat driver recline backward circuit failure
B1652 Seat driver recline backward circuit open
B1653 Seat driver recline backward circuit short to battery
B1654 Seat driver recline backward circuit short to ground
B1655 Seat driver rear up circuit failure
B1656 Seat driver rear up circuit open
B1657 Seat driver rear up circuit short to battery
B1658 Seat driver rear up circuit short to ground
B1659 Seat driver front up circuit failure
B1660 Seat driver front up circuit open
B1661 Seat driver front up circuit short to battery
B1662 Seat driver front up circuit short to ground
B1663 Seat driver front up/down motor stalled
B1664 Seat driver rear up/down motor stalled
B1665 Seat driver front forward/backward motor stalled
B1666 Seat driver recline motor stalled
B1667 Mirror driver up/down motor stalled
B1668 Mirror driver right/left motor stalled
B1669 Mirror passenger up/down motor stalled
B1670 Mirror passenger right/left motor stalled
B1671 Battery module voltage out of range
B1672 Seat driver occupied input circuit failure
B1673 Seat driver occupied input circuit open
B1674 Seat driver occupied input circuit short to battery
B1675 Seat driver occupied input circuit short to ground
B1676 Battery pack voltage out of range
B1677 Alarm panic input circuit failure
B1678 Alarm panic input circuit open
B1679 Alarm panic input circuit short to battery
B1680 Alarm panic input circuit short to ground
B1681 PATS transceiver module signal is not received
B1682 PATS is disabled (check link between PATS & transponder)
B1683 Mirror driver/passenger switch circuit failure
B1684 Mirror driver/passenger switch circuit open
B1685 Lamp dome input circuit failure
B1686 Lamp dome input circuit open
B1687 Lamp dome input circuit short to battery
B1688 Lamp dome input circuit short to ground
B1689 Autolamp delay circuit failure
B1690 Autolamp delay circuit open
B1691 Autolamp delay circuit short to battery
B1692 Autolamp delay circuit short to ground
B1693 Autolamp on circuit failure
B1694 Autolamp on circuit open
B1695 Autolamp on circuit short to battery
B1696 Autolamp on circuit short to ground
B1697 Mirror driver/passenger switch circuit short to battery
B1698 Mirror driver/passenger switch circuit short to ground
B1699 Passenger seat occupied switch circuit short to ground

Posted in Body Fault Codes (Air Con & Comfort Systems) | Tagged Alarm, Anti, Anti-theft, Autolamp, Battery, Check, check engine, Circuit, Circuit Failure, Circuit Open, Codes, delay, dome, driver, engine error codes, entry, failure, fault, format, Front, Ignition, Illuminated, Indicator, inout, Input, Input Circuit, invlaid, keypad, Lamp, limit, Link, Malfunction indicator lamp, Mirror, Mirror driver, Mode, Module, motor, Output, Output Circuit, pack, panic, Passenger, Passive, PATS, PRNDL, Range, recline, seat, Signal, Switch, Switch Circuit, System, Theft, transceiver, transpnder, transponder, Voltage, Wiper

Fault codes C1211 to C1788 (GM)

C1211 – ABS Indicator Lamp Circuit Malfunction
C1214 – System Relay Contact or Coil Circuit Open
C1217 – Pump Motor Shorted to Ground
C1218 – Pump Motor Circuit Shorted to Voltage or Motor Ground Open
C1221 – Left Front Wheel Speed Sensor Input Signal is 0
C1222 – Right Front Wheel Speed Sensor Input Signal is 0
C1223 – Left Rear Wheel Speed Sensor Input Signal is 0
C1224 – Right Rear Wheel Speed Sensor Input Signal is 0
C1225 – Left Front Excessive Wheel Speed Variation
C1226 – Right Front Excessive Wheel Speed Variation
C1227 – Left Rear Excessive Wheel Speed Variation
C1228 – Right Rear Excessive Wheel Speed Variation
C1232 – Left Front Wheel Speed Circuit Open or Shorted
C1233 – Right Front Wheel Speed Circuit Open or Shorted
C1234 – Left Rear Wheel Speed Circuit Open or Shorted
C1235 – Right Rear Wheel Speed Circuit Open or Shorted
C1236 – Low System Supply Voltage
C1237 – High System Supply Voltage
C1238 – Brake Thermal Model Exceeded
C1241 – Variable Effort Steering Circuit Malfunction
C1242 – Pump Motor Circuit Open
C1243 – BPMV Pump Motor Stalled
C1244 – Powertrain Indicated Engine Drag Control Malfunction
C1246 – Brake Lining Wear Circuit Open
C1248 – EBCM Turned the Red Brake Warning Indicator On
C1251 – RSS Indicated Malfunction
C1252 – Left Front Normal Force Malfunction
C1253 – Right Front Normal Force Malfunction
C1254 – Abnormal Shutdown Detected
C1255 – EBCM Internal Malfunction
C1256 – EBCM Internal Malfunction
C1261 – Left Front Inlet Valve Solenoid Malfunction
C1262 – Left Front Outlet Valve Solenoid Malfunction
C1263 – Right Front Inlet Valve Solenoid Malfunction
C1264 – Right Front Outlet Valve Solenoid Malfunction
C1265 – Left Rear Inlet Valve Solenoid Malfunction
C1266 – Left Rear Outlet Valve Solenoid Malfunction
C1267 – Right Rear Inlet Valve Solenoid Malfunction
C1268 – Right Rear Outlet Valve Solenoid Malfunction
C1271 – Left Front TCS Master Cylinder Isolation Valve Malfunction
C1272 – Left Front TCS Prime Valve Malfunction
C1273 – Right Front TCS Master Cylinder Isolation Valve Malfunction
C1274 – Right Front TCS Prime Valve Malfunction
C1276 – Delivered Torque Signal Circuit Malfunction
C1277 – Requested Torque Signal Circuit Malfunction
C1278 – TCS Temporarily Inhibited By PCM
C1281 – VSES Sensors Uncorrelated
C1282 – Yaw Rate Sensor Bias Circuit Malfunction
C1283 – Excessive Time to Center Steering
C1284 – Lateral Accelerometer Sensor Bias Malfunction
C1285 – Lateral Accelerometer Sensor Circuit Malfunction
C1286 – Steering Sensor Bias Malfunction
C1287 – Steering Sensor Rate Malfunction
C1288 – Steering Sensor Circuit Malfunction
C1291 – Open Brake Lamp Switch Contacts During Deceleration
C1292 – Brake Fluid Pressure Sensor Circuit
C1293 – Code C1291 Set in Previous Ignition Cycle
C1294 – Brake Lamp Switch Circuit Always Active
C1295 – Brake Lamp Switch Circuit Open
C1296 – Brake Fluid Pressure Sensor Circuit
C1297 – PCM Indicated Brake Extended Travel Switch Failure
C1298 – PCM Class 2 Serial Data Link Malfunction
C1326 – Battery Out of Range
C1650 – RSS Control Module Fault
C1658 – RSS Control Module Calibration Fault
C1710 – Left Front Damper Actuator Short Circuit to Battery
C1711 – Left Front Damper Actuator Short Circuit to Ground
C1712 – Left Front Damper Actuator Open Circuit
C1715 – Right Front Damper Actuator Short Circuit to Battery
C1716 – Right Front Damper Actuator Short Circuit to Ground
C1717 – Right Front Damper Actuator Open Circuit
C1720 – Left Rear Damper Actuator Short Circuit to Battery
C1721 – Left Rear Damper Actuator Short Circuit to Ground
C1722 – Left Rear Damper Actuator Open Circuit
C1725 – Right Rear Damper Actuator Short Circuit to Battery
C1726 – Right Rear Damper Actuator Short Circuit to Ground
C1727 – Right Rear Damper Actuator Open Circuit
C1735 – Compressor Relay Short to Battery
C1736 – Compressor Relay Short to GND/Open Circuit
C1737 – Exhaust Solenoid Valve Short to Battery
C1738 – Exhaust Solenoid Valve Short to GND
C1743 – Speed Signal Fault
C1744 – Lift/Dive Signal Discrete Fault
C1760 – Left Front Position Sensor Input Fault
C1761 – Right Front Position Sensor Input Fault
C1762 – Left Rear Position Sensor Input Fault
C1763 – Right Rear Position Sensor Input Fault
C1768 – Position Sensor Supply Fault
C1780 – Loss of Steering Position Signal
C1782 – ICCS2 DL Left Output Short Circuit to Bat
C1783 – ICCS2 DL Left Output Short Circuit to GND
C1784 – ICCS2 DL Right Output Short Circuit to Bat
C1785 – ICCS2 DL Right Output Short Circuit to GND
C1786 – Damper Control Relay Fault
C1787 – Damper Control Relay Short to GND
C1788 – Damper Control Relay Short to Bat

Posted in Chassis Fault Codes (ABS & TCS Systems) | Tagged ABS, Accelerometer, Bias, BPMV, Brake Lamp Switch Circuit Always Active, Brake Lamp Switch Circuit Open, Brake Lining Wear Circuit Open, calibration, Center, check engine, Class, Code, Coil Circuit Open, Contacts, Control, Cycle, Cylinder, Damper, Damper Actuator Short Circuit, Data, Discrete, Dive, Drag, EBCM, Effort Steering Circuit Malfunction, Engine, engine error codes, Excessive, failure, fault, Force, Front, GND, Ground, High, ICCS, Ignition, Indicator Lamp Circuit Malfunction, Inhibited, Inlet, Input, Internal, Lateral, Lateral Accelerometer Sensor Circuit Malfunction, Left, Left Front Damper Actuator Short Circuit, Left Front Normal Force Malfunction, Lining, Link, Malfunction, Malfunction indicator lamp, Master, Model, Module, normal, Open, Open circuit, Outlet, Output, PCM, Pressure, Prime, Pump Motor Circuit, Pump Motor Circuit Open, Range, Rear Position Sensor Input, Rear Wheel Speed Circuit Open, Rear Wheel Speed Sensor Input, Relay, Right Front Damper Actuator Short Circuit, Right Front Normal Force Malfunction, Right Front Outlet Valve Solenoid, Sensors, Set, Short, Short circuit, Signal, Solenoid, Solenoid Valve, Steering Sensor Circuit Malfunction, Supply, Switch, TCS, time, torque, Torque Signal Circuit Malfunction, Travel, Uncorrelated, Valve, Variable, Variation, Voltage, Warning, Wear, Wheel, Wheel Speed Variation, Yaw

Fault codes P1600 to P1699

P1602

Loss of EBTCM Serial Data

P1603

Loss of SDM Serial Data

P1604

Loss of IPC Serial Data

P1605

Loss of HVACC Serial Data

P1605

Keep Alive Memory Failure (Ford)

P1605

Powertrain Control Module (Mazda)

P1607

Malfunction In PCM Internal Circuit (Acura)

P1610

Loss of PZM Serial Data

P1611

Loss of CVRTD Serial Data

P1617

Engine Oil Level Switch Circuit

P1621

PCM Memory Performance

P1626

Theft Deterrent System – Fuel Enable Circuit

P1630

Theft Deterrent – PCM in Learn Mode

P1631

Theft Deterrent – Password Incorrect

P1632

Theft Deterrent – Fuel Disabled

P1633

Ignition Supplement Power Circuit Low Voltage

P1633

Keep Alive Power Voltage Too Low (Ford)

P1634

Ignition 1 Power Circuit Low Voltage

P1635

5 Volt Reference Circuit (GM)

P1635

Tire/Axle Out Of Acceptable Range (Ford)

P1639

5 Volt Reference 2 Circuit (GM)

P1639

Vehicle ID Block Not Programmed Or Corrupt (Ford)

P1640

DTC’s Available In Another Module (Ford)

P1640

Driver 1 – Input High Voltage

P1641

Malfunction Indicator Lamp (MIL) Control Circuit

P1642

Vehicle Speed Output Circuit

P1644

Delivered Torque Output Circuit

P1645

EVAP Solenoid Output Circuit

P1646

EVAP Vent Valve Output Circuit

P1650

Driver 2 – Input High Voltage

P1650

Power Steering Pressure Switch Malfunction (Ford)

P1650

Power Steering Pressure Switch Out Of Range (Mazda)

P1651

Power Steering Pressure Switch Input Malfunction (Mazda)

P1651

Power Steering Pressure Switch Signal Malfunction (Ford)

P1652

Lift/Dive Circuit

P1654

Cruise Disable Output Circuit

P1656

Automatic Transaxle (Acura)

P1660

Cooling Fan Control Circuits

P1660

A/T FI Data Line Failure (Acura)

P1676

FPTDR Signal Failure (Acura)

P1678

FPTDR Signal Line Failure (Acura)

P1680

Clutch Released Switch Circuit (CHRYSLER)

P1681

No I/P Cluster CCD/J1850 Messages Received (CHRYSLER)

P1681

A/T FI Signal A Low Input (Acura)

P1682

A/T FI Signal A High Input (Acura)

P1682

Charging System Voltage Too Low (CHRYSLER)

P1683

Speed Control Power Relay or S/C 12V Driver Circuit (CHRYSLER)

P1685

Skim Invalid Key(CHRYSLER)

P1686

No SKIM Bus Message Received (CHRYSLER)

P1686

A/T FI Signal B Low Input (Acura)

P1687

A/T FI Signal B High Input (Acura)

P1687

No Cluster Bus Message (CHRYSLER)

P1689

Traction Control Delivered Torque Output Circuit (GM)

P1693

DTC Detected In Companion Mode (CHRYSLER)

P1694

Fault In Companion Mode (CHRYSLER)

P1695

No CCD/J185O Message From BCM (CHRYSLER)

P1696

PCM Failure EEPROM Write Denied (CHRYSLER)

P1697

PCM Failure SRI Mile Not Stored (CHRYSLER)

P1698

No Bus Message From TCM (CHRYSLER)

Posted in Powertrain Fault Codes (Engine & Transmision Systems) | Tagged Acceptable, Acura, Alive, Available, Axle, BCM, Bus, CCD, Charging, check engine, Chrysler, Circuits, Clutch, Companion, Control Circuit, Control Delivered Torque Output Circuit, Cooling, Corrupt, Cruise, CVRTD, Data, Delivered, Disable, Dive, driver, DTC, EBTCM, EEPROM, Engine, engine error codes, failure, Ford, Fuel, GM, HVACC, Ignition, Incorrect, Indicator, Internal, Invalid, Key, Lamp, Learn, Malfunction, Malfunction indicator lamp, Mazda, Memory, Memory Failure, Messages, Mode, Module, Oil, Output, Output Circuit, Password, PCM, PCM Internal Circuit, Power, Power Steering, Powertrain, Powertrain Control Module, Pressure Switch, PZM, Received, Reference, Relay, SDM, Serial Data, Signal, Solenoid, Steering, Stored, Supplement, Supplement Power Circuit Low Voltage, Switch, TCM, Theft, Theft Deterrent, Tire, torque, Traction, Transaxle, Valve, Vehicle, Vent, Volt Reference Circuit, Voltage, Write

Fault codes P1300 to P1399

P1300

Random Misfire (Acura)

P1309

Misfire Monitor Disabled (Ford)

P1320

Ignition Control (IC) Module 4x Reference Circuit Intermittent No Pulses

P1323

Ignition Control (IC) Module 24x Reference Circuit low frequency

P1336

Crankshaft Position System Variation Not Learned (GM)

P1336

Crankshaft Speed Fluctuation Sensor Intermittant Interruption (Acura)

P1337

Crankshaft Speed Fluctuation Sensor No Signal (Acura)

P1350

Ignition Control System

P1351

Ignition Coil Control Circuit High Voltage (GM)

P1352

Ignition Bypass Circuit High Voltage (GM)

P1359

Crankshaft Position/TDC/Cylinder Position Sensor Connector Disconnection (Acura)

P1361

Intermittent Interruption In TDC1 Sensor Circuit (Acura)

P1361

Ignition Control (IC) Circuit Low Voltage (GM)

P1362

No Signal In TDC1 Sensor Circuit (Acura)

P1362

Ignition Bypass Circuit Low Voltage (GM)

P1366

Intermittent Interruption In TDC2 Sensor Circuit (Acura)

P1367

No Signal In TDC2 Sensor Circuit (Acura)

P1370

Ignition Control (IC) Module 4x Reference too many pulses

P1371

Ignition Control (IC) Module 4x Reference too few pulses

P1374

CKP High to Low Resolution Frequency Correlation (GM)

P1375

Ignition Control (IC) Module 24x Reference High Voltage

P1376

Ignition Ground Circuit

P1377

Ignition Control (IC) Module Cam Pulse to 4x Reference Pulse Comparison

P1380

EBTCM DTC Detected-Rough Data Unusable

P1380

Variable Cam Timing Solenoid A Circuit Malfunction (Ford)

P1381

Misfire Detected-No EBTCM/PCM Serial Data

P1381

Cylinder Position Sensor Intermittant Inturruption (Acura)

P1381

Variable Cam Timing Over-advanced (Bank 1) (Ford)

P1382

Cylinder Position Sensor No Signal (Acura)

P1383

Variable Cam Timing Over-retarded (Bank 1) (Ford)

P1388

Auto Shutdown Relay Circuit (Chrysler)

P1389

No ASD Relay Output Voltage At PCM (Chrysler)

P1390

Timing Belt Skipped One Tooth or More (Chrysler)

P1390

Octane Adjust Out Of Range (Mazda)

P1391

Intermittent Loss of CMP or CKP (Chrysler)

P1398

Mis-Fire Adapter Numerator at Limit (Chrysler)

P1399

Wait To Start Lamp Circuit (Chrysler)

Posted in Powertrain Fault Codes (Engine & Transmision Systems) | Tagged Acura, Adapter, ASD, Bank, Belt, Bypass, Cam, check engine, Chrysler, Circuit, Circuit Low Voltage, CKP, CMP, Coil, comparison, connector, Control, Correlation, Crankshaft, Cylinder, Cylinder Position Sensor, Data, Detected, Disconnection, DTC, EBTCM, engine error codes, Fire, Fluctuation, Ford, frequency, GM, Ground, IC, Ignition, Ignition Coil Control Circuit High Voltage, Ignition Control, Ignition Control System, Intermittant, Intermittent, Interruption, Inturruption, Lamp, Learned, limit, Loss, Low, Malfunction, Malfunction indicator lamp, Mazda, Mis, Misfire, Module, monitor, Numerator, Octane, Output, Over-retarded, P1352 Ignition Bypass Circuit High Voltage, P1362 Ignition Bypass Circuit Low Voltage, PCM, Position, Position Sensor, Pulse, Pulses, Range, Reference, Reference Circuit, Reference Circuit Intermittent, Relay, Resolution, Rough, Sensor, Sensor Circuit, Shutdown, Signal, Solenoid, Start, System, TDC1 Sensor Circuit, Timing, Tooth, Unusable, Variable, Variation, Voltage

EOBD fault codes P0660-P0665

P0600

Serial Communication Link Malfunction

P0601

Internal Control Module Memory Check Sum Error

P0602

Control Module Programming Error

P0603

Internal Control Module Keep Alive Memory (KAM) Error

P0604

Internal Control Module Random Access Memory (RAM) Error

P0605

Internal Control Module Read Only Memory (ROM) Error
(Module Identification Defined by SAE J1979)

P0606

ECM/PCM Processor Fault

P0608

Control Module VSS Output “A” Malfunction

P0609

Control Module VSS Output “B” Malfunction

P0610

Control Module VSS Output “B” Malfunction

P0615

Starter Relay Circuit

P0616

Starter Relay Circuit Low

P0617

Starter Relay Circuit High

P0618

Alternative Fuel Control Module KAM Error

P0619

Alternative Fuel Control Module RAM/ROM Error

P0620

Generator Control Circuit Malfunction

P0621

Generator Lamp “L” Control Circuit Malfunction

P0622

Generator Field “F” Control Circuit Malfunction

P0623

Generator Lamp Control Circuit

P0624

Fuel Cap Lamp Control Circuit

P0630

VIN Not Programmed or Mismatch – ECM/PCM

P0631

VIN Not Programmed or Mismatch – TCM

P0635

Power Steering Control Circuit

P0636

Power Steering Control Circuit Low

P0637

Power Steering Control Circuit High

P0638

Throttle Actuator Control Range/Performance (Bank 1)

P0639

Throttle Actuator Control Range/Performance (Bank 2)

P0640

Intake Air Heater Control Circuit

P0645

A/C Clutch Relay Control Circuit

P0646

A/C Clutch Relay Control Circuit Low

P0647

A/C Clutch Relay Control Circuit High

P0648

Immobilizer Lamp Control Circuit

P0649

Speed Control Lamp Control Circuit

P0650

Malfunction Indicator Lamp (MIL) Control Circuit Malfunction

P0654

Engine RPM Output Circuit Malfunction

P0655

Engine Hot Lamp Output Control Circuit Malfunction

P0656

Fuel Level Output Circuit Malfunction

P0660

Intake Manifold Tuning Valve Control Circuit (Bank 1)

P0661

Intake Manifold Tuning Valve Control Circuit Low (Bank 1)

P0662

Intake Manifold Tuning Valve Control Circuit High (Bank 1)

P0663

Intake Manifold Tuning Valve Control Circuit (Bank 2)

P0664

Intake Manifold Tuning Valve Control Circuit Low (Bank 2)

P0665

Intake Manifold Tuning Valve Control Circuit High (Bank 2)

Posted in Powertrain Fault Codes (Engine & Transmision Systems) | Tagged Access, Actuator, Air, Alive, Alternative, Bank, Cap, Cap Lamp Control Circuit, Check, check engine, Circuit, Communication, Control, Control Circuit, Control Circuit Malfunction, Control Module, Defined, ECM, Engine, engine error codes, Engine RPM Output Circuit Malfunction, EOBD, Error, fault, Field, Fuel, Generator, Generator Control Circuit Malfunction, Heater, High, Hot, Identification, Immobilizer, Indicator, Intake, Intake Manifold Tuning Valve Control Circuit, Internal, Internal Control, Internal Control Module, KAM, Lamp, Lamp Control Circuit, Level, Level Output Circuit Malfunction, Link, Low, Malfunction, Malfunction indicator lamp, manifold, Memory, Mismatch, Module, Output, PCM, Performance, Power, Processor, Programmed, Programming, RAM, Random, Range, Relay, ROM, RPM, SAE, Speed Control Lamp Control Circuit, Starter, Steering, Sum, TCM, Throttle, Tuning, Valve, VSS