GEM/CTM Parameter Identification (PID) Index
GEM/CTM Parameter Identification (PID) Index
B1840 Wiper Power Circuit Failure GEM/CTM REFER to Section 501-16.
B2141 NVM Configuration Failure GEM/CTM Vehicle speed calibration is not programmed into the GEM/CTM. REFER to the scan tool help screen on the configuration
card to program the tire size and axle ratio. TEST the system for normal operation. If DTC B2141 is still present, REPLACE
the GEM/CTM; REFER to Section 419-10. TEST the system for normal operation.
C1751 VSS Output Short to Battery GEM/CTM REFER to Section 310-03or REFER to Section 413-01.
C1752 VSS Output Short to Ground GEM/CTM REFER to Section 310-03or REFER to Section 413-01.
P0500 Vehicle Speed Signal Circuit Failure GEM GO to Pinpoint Test B.
P1804 4WD High Indicator Circuit Failure GEM GO to Pinpoint Test C.
P1806 4WD High Indicator Short to Battery GEM GO to Pinpoint Test C.
P1808 4WD Low Indicator Circuit Failure GEM GO to Pinpoint Test C.
P1810 4WD Low Indicator Short to Power GEM GO to Pinpoint Test C.
P1812 4WD Mode Select Switch Circuit
Failure
GEM GO to Pinpoint Test A.
P1815 4WD Mode Select Switch Circuit
Short to Ground
GEM GO to Pinpoint Test A.
P1820 Transfer Case CW Shift Relay
Circuit — Failure
GEM GO to Pinpoint Test A.
P1822 Transfer Case CW Shift Relay Coil
Short to Power
GEM GO to Pinpoint Test A.
P1824 4WD Electric Clutch Relay Circuit
Failure
GEM GO to Pinpoint Test A.
P1826 4WD Low Clutch Relay Short to
Power
GEM GO to Pinpoint Test A.
P1828 Transfer Case CCW Shift Relay Coil
Circuit Failure
GEM GO to Pinpoint Test A.
P1830 Transfer Case CCW Shift Relay Coil
Short to Battery
GEM GO to Pinpoint Test A.
P1838 Transfer Case Shift Motor Circuit
Failure
GEM GO to Pinpoint Test A.
P1846 Transfer Case CONTACT PLATE
"A" Circuit Failure
GEM GO to Pinpoint Test A.
P1850 Transfer Case CONTACT PLATE
"B" Circuit Failure
GEM GO to Pinpoint Test A.
P1854 Transfer Case CONTACT PLATE
"C" Circuit Failure
GEM GO to Pinpoint Test A.
P1858 Transfer Case CONTACT PLATE
"D" Circuit Failure
GEM GO to Pinpoint Test A.
P1863 Transfer Case CONTACT PLATE
Power Circuit Open
GEM GO to Pinpoint Test A.
P1866 Transfer Case System Concern GEM GO to Pinpoint Test A.
P1867 Transfer Case Contact Plate
General Circuit Failure
GEM GO to Pinpoint Test A.
P1832 Transfer Case Differential Lock-Up
Solenoid Failure
GEM GO to Pinpoint Test E.
P1833 Transfer Case Differential Lock-Up
Solenoid Open Circuit
GEM GO to Pinpoint Test E.
P1834 Transfer Case Differential Lock-Up
Solenoid Short to Battery
GEM GO to Pinpoint Test E.
P1835 Transfer Case Differential Lock-Up
Solenoid Short to Ground
GEM GO to Pinpoint Test E.
P1878 Transfer Case Disengage Solenoid
Circuit Failure
GEM GO to Pinpoint Test E.
P1879 Transfer Case Disengage Solenoid
Open Circuit
GEM GO to Pinpoint Test E.
P1880 Transfer Case Disengage Solenoid
Short to Battery
GEM GO to Pinpoint Test E.
P1885 Transfer Case Disengage Solenoid
Short to Ground
GEM GO to Pinpoint Test E.
P1891 Transfer Case Contact Plate
Ground Return Circuit Open
GEM GO to Pinpoint Test A.
PID Description Expected Values
VSS_GEM Vehicle Speed Input 0 - 255 KPH
PARK_SW External Access Ajar Switch Status OFF, ON
D_DR_SW Driver Door Ajar Switch Status CLOSED, AJAR
P_DR_SW Passenger Door Ajar Switch Status CLOSED, AJAR
IGN_KEY Key In Ignition Status IN, OUT
IGN_GEM Ignition Switch Status START, RUN, OFF, ACC
BATSAV Battery Saver Relay Circuit ON---, OFF---, ON-B-, OFFO-G
VBATGEM Battery Voltage 0.0 VDC - 14.3 VDC
INTLMP Illuminated Entry Relay Circuit ON---, OFF---, ON-B-, OFFO-G
CLTCHSW Transmission Clutch Interlock Switch ENGAGED, NOT ENGAGED
2000 Ranger Workshop Manual
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYL/~MUS~LEN/21/
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