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Op Code Reference

37 common service operation codes organized by category. Search by code or service name to find what you need.

CodeServiceNote
ALIGNAlignment (4-Wheel)
SASSteering Angle Sensor Calibration
CodeServiceNote
IFGDIFuel Injection Service (GDI)GDI engines only
IF / FISFuel Injection Service
TF / FGSFuel System Service
44KFuel System Cleaner (BG 208)BG product
EPREngine Performance Restoration (BG 109)BG product
CodeServiceNote
ATFTransmission Fluid Exchange
ATPFTransmission Fluid ExchangeAlternate code
DFTTransmission Fluid ExchangeAlternate code
CodeServiceNote
CVT / CVTSCVT Transmission Service
CVTFCVT Fluid Exchange
NS3CVT Fluid Exchange (Nissan NS-3)Nissan-specific
CodeServiceNote
MTSManual Transmission Service
CodeServiceNote
BF / BBF / BFEBrake Fluid Exchange
VFBrake Fluid ExchangeAlternate code
CodeServiceNote
AWDAll Wheel Drive Service
RDIFF / RDSRear Differential Fluid
FDIFFFront Differential Fluid
TCF / TCASETransfer Case Fluid
CodeServiceNote
CF / CLTCoolant Exchange
CDF / CDPCoolant Drain and Fill
HBC / HCFHybrid Battery Coolant ExchangeHybrid vehicles
CodeServiceNote
PLUGS / SPARK / SPKSpark Plugs
CodeServiceNote
PSFPower Steering Fluid Exchange
EPSFElectronic Power Steering Fluid
CodeServiceNote
TBCThrottle Body Cleaning
TBSThrottle Body Service
CodeServiceNote
ACD1Annual A/C Service
ACD2A/C EVAP & Ventilation Service
CodeServiceNote
DB / DBR / BELTDrive Belt Replacement
CodeServiceNote
AFEngine Air Filter
CAF1Cabin Air Filter
CAF2Cabin Filter + AC Vent Service
HBFHybrid Battery FilterHybrid vehicles
CodeServiceNote
EBCEV Battery Coolant Exchange
HVBCHV Battery Check

Common by Make

Nissan

Uses NS3 for CVT fluid exchanges. CVT service is the most common upsell.

Kia / Hyundai

Often uses IVT (Intelligent Variable Transmission) terminology instead of CVT. Same service, different branding.

Subaru

Heavy on AWD, RDIFF, and FDIFF services due to standard symmetrical AWD across the lineup.

Toyota / Lexus

Hybrid battery coolant (HBC/HCF) and hybrid battery filter (HBF) are common on the large Prius/hybrid fleet.

Ford / Lincoln

GDI fuel injection service (IFGDI) is especially relevant for EcoBoost engines.

Jeep / Ram / Dodge

Transfer case fluid (TCF/TCASE) is high-volume on 4x4 trucks and Jeep models.

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