Defender. Manual — part 149
P064200 Sensor reference voltage
A circuit low (internal to
engine control module
(ECM))
ECM circuits:
short circuit to
ground
ECM circuits: open
circuit
ECM fault
Check the ECM power supply and relay circuits. Refer to
the electrical guides. Rectify as necessary. Clear the DTC.
Cycle the ignition and retest. If the DTC resets suspect
the ECM. Refer to the warranty policy and procedures
manual if a module is suspect.
P064300 Sensor reference voltage
A circuit low (internal to
engine control module
(ECM))
ECM circuits:
short circuit to
power
ECM fault
Check the ECM power supply and relay circuits. Refer to
the electrical guides. Rectify as necessary. Clear the DTC.
Cycle the ignition and retest. If the DTC resets suspect
the ECM. Refer to the warranty policy and procedures
manual if a module is suspect.
P064523 Air conditioning (A/C)
clutch relay control circuit
- signal stuck low
A/C clutch relay
control circuit:
short circuit to
ground
A/C clutch relay
control circuit:
open circuit
A/C clutch relay
fault
Check A/C clutch relay and circuits. Refer to the electrical
guides. Rectify as necessary. Clear the DTCs and test for
normal operation.
P064524 Air conditioning (A/C)
clutch relay control circuit
- signal stuck high
A/C clutch relay
control circuit:
short circuit to
power
A/C clutch relay
control circuit:
open circuit
A/C clutch relay
fault
P065116 Sensor reference voltage
B circuit / open - circuit
voltage below threshold
Engine control
module (ECM)
fault
Refer to the warranty policy and procedures manual if the
ECM is suspect.
P065117 Sensor reference voltage
B circuit / open -circuit
voltage above threshold
Engine control
module (ECM)
fault
P06662F Engine control module
(ECM) internal
temperature sensor circuit
-signal erratic
ECM fault
Check for related DTCs. Rectify as necessary. Clear the
DTCs and test for normal operation. Refer to the
warranty policy and procedures manual if a module is
suspect.
P066621 Engine control module
(ECM) internal
temperature sensor circuit
- signal amplitude less
than minimum
ECM fault
P066622 Engine control module
(ECM) internal
temperature sensor circuit
- signal amplitude greater
than maximum
ECM fault
P068A00 Engine control module
(ECM) power relay de-
energized - too early
ECM power relay:
open circuit
ECM power relay:
short circuit to
ground
Check the ECM power relay power supply and relay
circuits. Refer to the electrical guides. Rectify as
necessary. Clear the DTC and test for normal operation.
P068B00 Engine control module
(ECM) power relay de-
energized - too late
ECM power relay:
open circuit
ECM power relay:
short circuit to
ground
P068516 Engine control module
(ECM) power relay control
circuit/open - circuit
voltage below threshold
ECM fault
Refer to the warranty policy and procedures manual if the
ECM is suspect.
P068596 Engine control module
(ECM) power relay control
circuit/open - component
internal failure
ECM fault
P070464 Clutch switch input circuit
- signal plausibility failure
Clutch switch
circuit: short
circuit to ground
Clutch switch fault
Check the clutch switch and circuits. Refer to the
electrical guides. Clear the DTCs and test for normal
operation.
P110200 Mass air flow (MAF)
sensor in range but lower
than expected
Intake air path
fault
MAF sensor
than expected
MAF sensor
circuit: short
circuit to ground
MAF sensor
circuit: short
circuit to power
MAF sensor
circuit: open
circuit
MAF sensor fault
Check the intake air system for leaks, restrictions, etc.
Check the MAF sensor and circuits. Refer to the electrical
guides. Install a new MAF sensor if necessary.
REFER to:
Mass Air Flow (MAF) Sensor
(303-14 Electronic
Engine Controls - 2.4L Duratorq-TDCi HPCR
(103kW/140PS) - Puma, Removal and Installation).
Clear the DTCs and test for normal operation.
P110300 Mass air flow (MAF)
sensor in range but higher
than expected
Intake air path
fault
MAF sensor
circuit: open
circuit
MAF sensor
circuit: short
circuit to ground
MAF sensor
circuit: short
circuit to power
MAF sensor fault
Check the intake air system for leaks, restrictions, etc.
Check the MAF sensor and circuits. Refer to the electrical
guides. Install a new MAF sensor if necessary.
REFER to:
Mass Air Flow (MAF) Sensor
(303-14 Electronic
Engine Controls - 2.4L Duratorq-TDCi HPCR
(103kW/140PS) - Puma, Removal and Installation).
Clear the DTCs and test for normal operation.
P115A00 Low fuel level - forced
limited power
Low fuel
Fuel level sensor
circuit: short
circuit to ground
Fuel level sensor
circuit: open
circuit
Fuel level sensor
fault
Check that there is sufficient fuel in the tank. Check the
fuel level sensor and circuits. Refer to the electrical
guides. Install a new fuel level sensor if necessary.
REFER to:
Fuel Level Sender
(310-01 Fuel Tank and Lines
- 2.4L Duratorq-TDCi HPCR (103kW/140PS) - Puma,
Removal and Installation).
Clear the DTCs and test for normal operation.
P115B00 Low fuel level - forced
engine shutdown
Low fuel
Fuel level sensor
circuit: short
circuit to ground
Fuel level sensor
circuit: open
circuit
Fuel level sensor
fault
P116900 Fuel rail pressure sensor
in range but high
Fuel rail pressure
sensor circuit:
short circuit to
ground
Fuel rail pressure
sensor circuit:
short circuit to
power
Fuel rail pressure
sensor circuit:
open circuit
Fuel rail pressure
sensor fault
Check the fuel rail pressure sensor and circuits. Refer to
the electrical guides. The fuel rail pressure sensor is not
serviceable separately. Install a new fuel rail if necessary.
REFER to:
Fuel Rail
(303-04A Fuel Charging and Controls
- 2.4L Duratorq-TDCi HPCR (103kW/140PS) - Puma,
Removal and Installation).
Clear the DTCs and test for normal operation.
P121C00 Cylinder balance - injector
leaking
Injector leak
Cylinder
compression low
- Blow-by past
the injector
- Blow-by past
the glow plug
- Mechanical
fault, valve,
piston/ring,
etc.
Injector fault
Check the injector and surrounding area for evidence of
fuel leakage. Disconnect the injector and check for
evidence of fuel leakage in the connector. Rectify as
necessary. Clear the DTCs. Reconnect the injector and
start the engine. Allow to warm up and allow to idle
(cylinder balance diagnosis is now active). If the DTC
resets, check for blow-by etc. and rectify as necessary.
Clear the DTCs and recheck. Carry out a compression test
only if the DTC resets. If the above tests are all within
range, install a new injector.
REFER to:
Fuel Injector
(303-04A Fuel Charging and
Controls - 2.4L Duratorq-TDCi HPCR (103kW/140PS) -
Puma, Removal and Installation).
P12402F Sensor power supply -
signal erratic (internal to
engine control module
(ECM))
ECM circuits:
short circuit to
power
ECM circuits:
short circuit to
ground
ECM circuits: open
circuit
ECM fault
Check the ECM power supply and relay circuits. Refer to
the electrical guides. Rectify as necessary. Clear the DTC.
Cycle the ignition and retest. If the DTC resets suspect
the ECM. Refer to the warranty policy and procedures
manual if a module is suspect.
P124633 Generator load input -
signal low time greater
than maximum
Engine control
module (ECM) -
generator circuit:
than maximum
generator circuit:
short circuit to
ground
ECM - generator
circuit: short
circuit to power
ECM - generator
circuit: open
circuit
Generator fault
Check the ECM - generator circuits. Refer to the electrical
guides. Rectify as necessary. Install a new generator if
necessary.
REFER to:
Generator
(414-02 Generator and Regulator -
2.4L Duratorq-TDCi HPCR (103kW/140PS) - Puma,
Removal and Installation).
Clear the DTCs and test for normal operation.
P124635 Generator load input -
signal high time greater
than maximum
Engine control
module (ECM) -
generator circuit:
short circuit to
ground
ECM - generator
circuit: short
circuit to power
ECM - generator
circuit: open
circuit
Generator fault
P124636 Generator load input -
signal frequency too low
Engine control
module (ECM) -
generator circuit:
short circuit to
ground
ECM - generator
circuit: short
circuit to power
ECM - generator
circuit: open
circuit
Generator fault
P124637 Generator load input -
signal frequency too high
Engine control
module (ECM) -
generator circuit:
short circuit to
ground
ECM - generator
circuit: short
circuit to power
ECM - generator
circuit: open
circuit
Generator fault
P129300 Injector high side open -
bank 1 - cylinders 1 or 4
(injectors 1 or 3)
Fuel injector
circuit (high side):
open circuit
Fuel injector
circuit (high side):
short circuit to
ground
Fuel injector
circuit (high side):
short circuit to
power
Fuel injector fault
Check the fuel injectors and circuits. Refer to the
electrical guides. Install a new injector if necessary.
REFER to:
Fuel Injector
(303-04A Fuel Charging and
Controls - 2.4L Duratorq-TDCi HPCR (103kW/140PS) -
Puma, Removal and Installation).
Clear the DTCs and test for normal operation.
P129400 Injector high side open -
bank 2 - cylinders 2 or 3
(injectors 4 or 2)
Fuel injector
circuit (high side):
open circuit
Fuel injector
circuit (high side):
short circuit to
ground
Fuel injector
circuit (high side):
short circuit to
power
Fuel injector fault
Check the fuel injectors and circuits. Refer to the
electrical guides. Install a new injector if necessary.
REFER to:
Fuel Injector
(303-04A Fuel Charging and
Controls - 2.4L Duratorq-TDCi HPCR (103kW/140PS) -
Puma, Removal and Installation).
Clear the DTCs and test for normal operation.
P14022F Exhaust gas recirculation
(EGR) control valve
metering orifice restricted
- signal erratic
EGR valve control
circuit: open
circuit
EGR valve control
circuit: short
circuit to ground
EGR valve control
circuit: short
circuit to power
EGR valve fault
Check the EGR valve actuator and circuits. Refer to the
electrical guides. Install a new EGR valve if necessary.
REFER to:
Exhaust Gas Recirculation (EGR) Valve
(303-
08 Engine Emission Control - 2.4L Duratorq-TDCi HPCR
(103kW/140PS) - Puma, Removal and Installation).
Clear the DTCs and test for normal operation.
P140216 Exhaust gas recirculation
(EGR) control valve -
circuit voltage below
threshold
EGR valve control
circuit: open
circuit
EGR valve control
circuit: short
circuit to ground
EGR valve fault
P140217 Exhaust gas recirculation
(EGR) control valve -
circuit voltage above
threshold
EGR valve control
circuit: short
circuit to power
EGR valve fault
P140977 Exhaust gas recirculation
(EGR) control valve
vacuum regulator solenoid
circuit - commanded
position not reachable
EGR valve control
circuit: open
circuit
EGR valve control
circuit: short
circuit to ground
EGR valve control
circuit: short
circuit to power
EGR valve fault
Check the EGR valve actuator and circuits. Refer to the
electrical guides. Install a new EGR valve if necessary.
REFER to:
Exhaust Gas Recirculation (EGR) Valve
(303-
08 Engine Emission Control - 2.4L Duratorq-TDCi HPCR
(103kW/140PS) - Puma, Removal and Installation).
Clear the DTCs and test for normal operation.
P164387 Controller area network
(CAN) link engine control
module/transmission
control module
circuit/network - missing
CAN signal high / low
switch.
Transmission high
- low switch
circuit: short
circuit to power
Transmission high
- low switch
circuit: short
circuit to ground
Transmission high
- low switch
circuit: open
circuit
Transmission high
- low switch fault
Controller area
network (CAN)
circuit: open
circuit
CAN circuit: short
circuit to ground
CAN circuit: short
circuit to power
Check the transmission high/low switch and circuits.
Refer to the electrical guides. Rectify as necessary.
Install a new transmission high - low switch if necessary.
REFER to:
Transfer Case Low Range Indicator Switch
(308-07B Four-Wheel Drive Systems, Removal and
Installation).
Check the CAN circuits. Refer to the electrical guides.
Rectify as necessary.
P167B00 Fuel injector learning not
done
Pilot correction
learning procedure
has not been
completed
Engine control
module (ECM)
fault
Run pilot correction learning function in line with service
procedures. Clear the DTCs and test for normal
operation. Refer to the warranty policy and procedures
manual if the ECM is suspect.
P167B41 Fuel injector learning not
done - general checksum
failure
Pilot correction
learning procedure
corrupted
Engine control
module (ECM)
fault
P193512 Brake switch sensor signal
- circuit short to battery
Brake switch
sensor signal:
short circuit to
power
Brake switch
sensor fault
Check the brake switch and circuits. Refer to the
electrical guides. Clear the DTCs and test for normal
operation.
P193514 Brake switch sensor signal
- circuit short to ground
or open
Brake switch
sensor signal:
short circuit to
ground
Brake switch
sensor signal:
open circuit
Brake switch
sensor fault
P213564 Throttle/pedal position
APP sensor
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