PDU Datalogger Acronyms

PDU Datalogger Acronyms

AACV Air assist control valve
ACCREQ A/C compressor clutch request
ACHPS A/C refrigerant high pressure switch
ACLPS A/C refrigerant low pressure switch
ADV Ignition timing advance (Cyl 1, A bank)
BARO Barometric pressure sensor
BAT1+ Battery B+ supply to ECM
CCV Canister close valve
CLV Calculated load value
CRANKREQ Crank request (from BPM)
CRUISEA Cruise control accel / decel switch
CRUISEB Cruise resume / cancel switch
CRUISEC Cruise cancel switch
CRUISED Cruise control set / inch / decel switch
CRUISEO Cruise control ON / OFF switch
CRUISER Cruise control resume switch
CRUISES Cruise control set / inch / accel switch
CRUISEC1 Cruise control cancel switch
DTC1 Number of DTCs logged this trip
DTCS Number of permanent DTCs logged
ECT Engine coolant temperature
EGR Exhaust gas recirculation
EOT Engine oil temperature
EVAP Evaporative emission system monitor
FANF Cooling fan fast
FANFRLY Cooling fan relay fast
FANS Cooling fan slow
FANSRLY Cooling fan relay slow
FBRAKE2 Brake switch
FP1 Fuel pump 1
FPRLY1 Fuel pump relay 1
FP2 Fuel pump 2
FPRLY2 Fuel pump relay 2
FTP Fuel tank pressure
HO2SB1D Heated oxygen sensor (downstream) A bank (1)
HO2SB2D Heated oxygen sensor (downstream) B bank (2)
HO2SB1U Heated oxygen sensor (upstream) A bank (1)
HO2SB2U Heated oxygen sensor (upstream) B bank (2)
HTDSC Heated windshield request
IAT Intake air temperature
IAT2 Intake air temperature 2
KS1A Knock sensor 1 A bank (1)
KS1B Knock sensor 1 B bank (2)
KS4A Knock sensor 4 A bank (1)
KS4B Knock sensor 4 B bank (2)
KSFA Knock sensor fail A bank (1)
KSFB Knock sensor fail B bank (2)
LTFT1 Long term fuel trim A bank (1)
LTFT2 Long term fuel trim B bank (2)
MAF Mass air flow
MAFGND1 MAFS ground
MAFS1 Mass air flow sensor
MAP Manifold absolute pressure
MPROBE Measurement probe (RED)
PKBRAKE Park brake switch
PNPS Park / neutral position switch (rotary switch)
PPS Pedal position sensor
PPS1 Pedal position sensor track 1
PPS2 Pedal position sensor track 2
RPM Engine speed
SPS Sensor power supply monitor
STFT1 Short term fuel trim A bank (1)
STFT2 Short term fuel trim B bank (2)
STFTB1D Short term fuel trim A bank (1) downstream
STFTB1U Short term fuel trim A bank (1) upstream
STFTB2D Short term fuel trim B bank (2) downstream
STFTB2U Short term fuel trim B bank (2) upstream
TPS Throttle position sensor
TPS1 Throttle position sensor track 1
TPS2 Throttle position sensor track 2
TTP Target throttle position
VSS Vehicle speed
VVTAM Variable valve timing monitor A bank (1)
VVTBM Variable valve timing monitor B bank (2)