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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transaxle/Transmission - AISIN Aw21) >> Diagnostic Tests >> Diagnostic Parameters Identification (PID) Chart

Diagnostic Parameters Identification (PID) Chart

WARNING: This page is about a different variant/trim than selected.
Special Tools

Illustration Tool Name Tool Number
GF0000049
Vehicle Communication Module and Integrated Diagnostic System software with appropriate hardware, or equivalent scan tool  
PID Name Description Units
TORQUE Net engine torque Torque (lb-ft)
TCC_AMP Torque converter clutch pressure control Current (amps)
SSE_AMP Shift Solenoid Pressure Control E (SSPCE) Current (amps)
TCCPC Converter pressure control Pressure (psi)
SSPCE SSPCE Pressure (psi)
SSPCE_F SSPCE status
  • 00 is not fault detected
  • 01 is short circuit to ground
  • 02 is open circuit load
  • 04 is short circuit to battery power
  • 80 is general (non-specific) fault
GEAR_OSC Gear commanded by output state control
  • 0 = commanded gear is not controlled by OSC
  • 2 = 1st gear is commanded by OSC
  • 4 = 2nd gear is commanded by OSC
  • 12 = 6th gear is commanded by OSC
TCC_OSC Output state control of torque converter
  • 00 Torque Converter Clutch (TCC) not controlled by OSC
  • 01 TCC is disengaged by OSC
  • 02 TCC is engaged by OSC
SSPCD_F Shift Solenoid Pressure Control D (SSPCD) status
  • 00 is not fault detected
  • 01 is short circuit to ground
  • 02 is open circuit load
  • 04 is short to battery power
  • 80 is general (non specific) fault
TSS_SRC Turbine Shaft Speed (TSS) rpm
OSS_SRC Output Shaft Speed (OSS) rpm
PCA_F Pressure Control Solenoid A (PCA) INT
SSPCD SSPCD Pressure (psi)
PCA PCA Pressure (psi)
SSD_AMP Shift Solenoid D (SSD) Current (amps)
PCA_AMP PCA Current (amps)
TP_REL Relative throttle position Percentage
DTCTCM Continuous codes Number of DTCs
TCCSLPDSD TCC slip desired rpm
SHFTCTRL Shift control
  • 00 Economy mode
  • 01 Sport mode
  • 02 Up slope 1 mode
  • 03 Up slope 2 mode
  • 04 Down slope mode
  • 05 Hot 1 (over temperature 1) mode
  • 06 Hot 2 (over temperature 2) mode
  • 07 Cruise mode
  • 08 Traction mode
  • 09 l Position mode
  • 0A Tiptronic mode
  • 0B Coast shift
  • Flexible Fuel (FF) Invalid data
SSPCF_F Shift Solenoid Pressure Control F (SSPCF) status
  • 00 is not fault detected
  • 01 is short to ground
  • 02 is open circuit load
  • 04 is short circuit to battery power
  • 80 is general (non-specific) fault
SSFAMP_MES Measured current Shift Solenoid F (SSF) Current (amps)
SSFAMP_CMD Commanded current SSF Current (amps)
SSPCF_CMD Commanded pressure SSPCF Pressure (psi)
SSEAMP_MES Measured current Shift Solenoid E (SSE) Current (amps)
SSDAMP_MES Measured current SSD Current (amps)
SSCAMP_MES Measured current Shift Solenoid C (SSC) Current (amps)
TCCAMP_MES Measured current for the TCC pressure control Current (amps)
PCAAMP_MES Measured current for PCA Current (amps)
SSPCC_F Shift Solenoid Pressure Control C (SSPCC) status
  • 00 is not fault detected
  • 01 is short to ground
  • 02 is open circuit load
  • 04 is short circuit to battery power
  • 80 is general (non-specific) fault
SSPCC SSPCC Pressure (psi)
SSC_AMP SSPCC current Current (amps)
SSB_F Shift solenoid 2 status
  • 00 is not fault detected
  • 01 is short to ground
  • 02 is open circuit load
  • 04 is short circuit to battery power
  • 40 is stack failure
  • 80 is general (non-specific) fault
SSA_F Shift solenoid 1 status
  • 00 is not fault detected
  • 01 is short to ground
  • 02 is open circuit load
  • 04 is short circuit to battery power
  • 80 is general (non-specific) fault
TFT Transmission Fluid Temperature (TFT) Temperature (°C, °F)
TRAN_RAT Transmission gear ratio Ratio
TCC_F TCC fault
  • 00 is not fault detected
  • 01 is short to ground
  • 02 is open circuit load
  • 04 is short circuit to battery power
  • 80 is general (non-specific) fault
VSS Vehicle Speed Sensor (VSS) Speed (mph)
TFT TFT Voltage
TCC_RAT Transmission slip ratio Ratio
TC_SLIPACT Torque converter slip actual TCCMACT rpm
TR Transmission Range (TR)
  • P = 7
  • R = 6
  • N = 5
  • D = 4
  • L = 1
OSS OSS rpm
TSS TSS rpm
Gear Gear commanded by module Gear (1-6)
VPWRTCM Module supply voltage VBAT Voltage
RPMTCM Engine revolutions per minute rpm
TR_V TR Voltage