Ford Falcon. Manual - part 219
303-14-90
Powertrain Control Management
303-14-90
DIAGNOSIS AND TESTING (Continued)
DTC
Description
Possible Causes
P1549
Intake Manifold
ELECTRICAL CONDITION
OTHER CONDITION
KOEO, KOER Communication Control
IMCC control signal open
Faulty or damaged IMCC
Cont
Circuit (IMCC) <BBM> circuit circuit, IMCC signal shorted to solenoid, faulty or damaged
malfunction, I6 engine
Vehicle Power (VPWR) or
PCM
DTC P1549 is reported to
ground, loose or improper
indicate a fault in the IMCC
harness connections,
circuit.
intermittent short to VPWR or
PWRGND.
P1565
Speed Control Command
SWITCH CONDITION
ELECTRICAL CONDITION
KOEO, KOER Switch Out Of Range High
Speed control switch
Improper connection, ground
Cont
DTC P1565 is reported if the assembly damaged or faulty
circuit open circuit;
SCRS-A sensor signal is
SCRS-A signal wire open
greater than the self-test
circuit or short circuit to VREF
range.
or VPRWR
P1566
Speed Control Command
SWITCH CONDITION
ELECTRICAL CONDITION
KOEO, KOER Switch Out Of Range Low
Speed control switch
SCRS-A signal wire short
Cont
DTC P1566 is reported if the assembly damaged or faulty
circuit to PWRGND or
SCRS-A sensor signal is
SGRTN
greater than the self-test
range.
P1572
Brake Pedal Switch Circuit
MECHANICAL CONDITION
ELECTRICAL CONDITION
KOEO, KOER DTC P1572 is reported if the Brake switch bracket loose or Improper connection to BOO
Cont
BOO and RBS brake switch
distorted.
and RBS switch. Fusible link
status are different when the SWITCH CONDITION
to RBS blown. Switch wiring
brake pedal is depressed.
BOO or RBS switch damaged open circuit or short circuit to
or faulty
VPWR or PWRGND
OTHER CONDITION
No speed control option fitted
to vehicle. This DTC is not
applicable to vehicles without
speed control.
P1635
Tire/Axle Out of Acceptable
PCM CONDITION
KOEO, KOER Range
VID block incorrectly
Cont
DTC P1572 is reported if the configured.
tyre and axle data entered
into the VID block is out of
range
P1639
Vehicle ID Block Corrupted,
PCM CONDITION
KOEO, KOER Not Programmed
VID block incorrectly
Cont
DTC P1572 is reported if the configured
VID block is corrupted not
programmed
P1650
Power Steering Pressure
ELECTRICAL CONDITION
MECHANICAL CONDITION
KOEO
Switch (PSP) <PSPS>
Improper connection, PSP
Refer to Group 3 Suspension,
failure
open circuit
Steering, Wheels & Tyre for
DTC P1650 is reported if the SENSOR CONDITION
power steering information
PSP has failed in the open
Sensor damaged or faulty.
OTHER CONDITION
position
Switch contacts may be stuck PCM damaged or faulty
open, improper operation
threshold of switch.
G98120 en