Jaguar X-Type Sedan and Estate (Wagon). Manual - part 346

DTC

Condition

Possible source

Action

P0530 Air conditioning refrigerant

pressure sensor circuit

Air conditioning pressure
sensor circuit: high
resistance
Air conditioning pressure
sensor circuit: short
circuit to ground
Air conditioning pressure
sensor circuit: short
circuit short circuit to
power
Air conditioning pressure
sensor fault

Check the air conditioning refrigerant pressure sensor and circuits.
Refer to the electrical guides. Rectify as necessary. Clear the DTCs,
test for normal operation.

P0544 Exhaust gas temperature

sensor circuit, right-hand bank,
upstream sensor

Exhaust gas temperature
sensor circuit: short
circuit to ground
Exhaust gas temperature
sensor circuit: open
circuit
Exhaust gas temperature
sensor circuit: short
circuit to power
Exhaust gas temperature
sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the exhaust gas temperature sensor and circuits.
Refer to the electrical guides. Rectify as necessary. Clear the DTCs,
test for normal operation.

P0545 Exhaust gas temperature

sensor circuit low, right-hand
bank, upstream sensor

Exhaust gas temperature
sensor circuit: short
circuit to ground
Exhaust gas temperature
sensor circuit: open
circuit
Exhaust gas temperature
sensor fault

P0546 Exhaust gas temperature

sensor circuit high, right-hand
bank, upstream sensor

Exhaust gas temperature
sensor circuit: short
circuit to power
Exhaust gas temperature
sensor fault

P0560 System voltage - range failure

of the battery voltage input

Battery voltage high or
low

Check the battery condition and state of charge. Check the charging
system. Rectify as necessary. Clear the DTCs, test for normal
operation.

P0571 Speed control brake switch

circuit failure

Speed control brake
switch circuit: high
resistance
Speed control brake
switch circuit: short
circuit to ground
Speed control brake
switch circuit: short
circuit to power
Speed control brake
switch failure

Check the speed control brake switch and circuits. Refer to the
electrical guides. Rectify as necessary. Clear the DTCs, test for
normal operation.

P0575 Speed control input circuit

Speed control steering
wheel switch circuit: high
resistance
Speed control steering
wheel switch circuit:
short circuit to ground
Speed control steering
wheel switch circuit:
short circuit to power
Clockspring failure

Check the speed control steering wheel switch and circuits. Refer to
the electrical guides. Rectify as necessary. Clear the DTCs, test for
normal operation.

P0603 Engine control module (ECM)

keep-alive memory error

ECM power supply circuit
fault
ECM fault

Check the power supplies to the ECM. Refer to the electrical guides.
Rectify as necessary. Clear the DTCs, test for normal operation.

P0605 Engine control module (ECM)

read-only-memory (ROM) error

ECM flash memory error

- Internal ECM fault

Refer to the warranty policy and procedures manual if an ECM is
suspect

P060B Internal control module

analogue to digital processing
performance

Failure of the analogue
to digital converter

- Internal ECM fault

Refer to the warranty policy and procedures manual if an ECM is
suspect

P0611 Fuel injector control module

performance

Fuel injectors have not
been programmed
Fuel injector
programming is corrupt
and the injectors have
reset to their default
values

Programme the injectors using the approved diagnostic system.
Clear the DTCs, test for normal operation.

P0622 Generator field terminal circuit

Generator monitor circuit:
high resistance
Generator monitor circuit:
short circuit to ground
Generator monitor circuit:
short circuit to power
Generator regulator fault

Check the generator and circuits. Refer to the electrical guides.
Rectify as necessary. Clear the DTCs, test for normal operation.

DTC

Condition

Possible source

Action

Engine control module
(ECM) fault

P0623 Generator warning lamp circuit

Warning lamp failure
Warning lamp circuit:
high resistance
Warning lamp circuit:
short circuit to ground
Warning lamp circuit:
short circuit to power

Check the generator and circuits. Refer to the electrical guides.
Rectify as necessary. Clear the DTCs, test for normal operation.

P0641 Sensor reference voltage A

circuit

This code indicates an
internal engine control
module (ECM) fault

Refer to the warranty policy and procedures manual if an ECM is
suspect

P0645 Air conditioning (A/C) clutch

relay control circuit

A/C clutch relay control
circuit: high resistance
A/C clutch relay control
circuit: short circuit to
ground
A/C clutch relay control
circuit: short circuit to
power
A/C clutch relay

Check the A/C clutch and circuits. Refer to the electrical guides.
Check the operation of the air conditioning clutch relay. Rectify as
necessary. Clear the DTCs, test for normal operation.

P0648 Immobilizer lamp control circuit

Immobilizer lamp control
circuit: high resistance
Immobilizer lamp control
circuit: short circuit to
ground
Immobilizer lamp control
circuit: short circuit to
power
Lamp failure

Check the immobilizer lamp and circuits. Refer to the electrical
guides. Rectify as necessary. Clear the DTCs, test for normal
operation.

P0685 Engine control module (ECM)

main relay control circuit open

Poor battery connections
at the battery or engine
block
ECM relay control circuit:
high resistance
ECM relay control circuit:
short circuit to ground
ECM relay control circuit:
short circuit to power
ECM relay fault

Check the connections at the battery and engine block. Check the
relay and circuits. Refer to the electrical guides. Rectify as
necessary. Clear the DTCs, test for normal operation.

P0700 Transmission control system

(MIL Request)

TCM reports unspecified
error to ECM and
requests MIL illumination

Check the TCM for DTCs. Clear the DTCs, test for normal operation.

P1000 Not all diagnostic monitors

have run

One or more on-board
diagnostic routines have
not completed

This code does not indicate a fault, just that additional drive cycles
are required.

P1200 Injector Range/Performance

Injector fault

This DTC would be accompanied by the code P2336, P2337, P2338
or P2339 indicating which injector is faulty. Install a new injector(s)
as necessary.
REFER to:

Fuel Injector

(303-04B Fuel Charging and Controls - 2.0L

Duratorq-TDCi/2.2L Duratorq-TDCi (110kW/150PS) - Puma, Removal
and Installation).
Clear the DTCs, test for normal operation.

P1211 Injector control pressure

higher/lower than desired with
the engine running/fuel system
contamination

Contaminated fuel
Air ingress
High-pressure injector
leak
Fuel pressure
sensor/circuit fault
Fuel metering
valve/circuit fault
Fuel pump fault

Check for contaminated fuel. Draw off approximately 1 litre (2.11
pints) of fuel into a clear container and allow to settle for 1 minute.
Examine the fuel for separation indicating contamination. Check the
low-pressure fuel system for air ingress. Check for evidence of a
high-pressure fuel leak. Rectify as necessary. Check the fuel
pressure sensor, metering valve and circuits. Refer to the electrical
guides. Check for DTCs indicating a pump fault.

P1288 Cylinder head temperature

(CHT) sensor out of selftest
range

Coolant
low/contaminated
Poor thermostat
operation
CHT sensor circuit fault
CHT sensor fault

Check the coolant level and condition, check the thermostat
operation. Rectify as necessary. Check the CHT sensor and circuits.
Refer to the electrical guides. Clear the DTCs, test for normal
operation.

P132A Turbocharger boost system

performance

Turbocharger actuator
fault

Carry out visual inspection of the rotary electronic actuator arm
during ignition state on/off. Ignition on actuator will retract under
smooth operation to a set position. Ignition off actuator will retract
to the fully open position. If this is not observed inspect the turbo
charger rotary electronic actuator arm for corrosion and check for
ease of vane movement. Using the manufacturer approved
diagnostic system perform the (Turbo, exhaust gas recirculation
and air path dynamic test) routine. For further diagnostic
information
REFER to:

Turbocharger

(303-04C Fuel Charging and Controls -

Turbocharger, Diagnosis and Testing).

DTC

Condition

Possible source

Action

P132B Turbocharger boost system

performance

Memory check failure
during initialization
Turbocharger vanes
sticking
Turbocharger rotary
electronic actuator
internal failure

Carry out visual inspection of the rotary electronic actuator arm
during ignition state on/off. Ignition on actuator will retract under
smooth operation to a set position. Ignition off actuator will retract
to the fully open position. If this is not observed inspect the turbo
charger rotary electronic actuator arm for corrosion and check for
ease of vane movement. Clear the DTCs cycle the ignition and
recheck. If the DTCs are still present after 3 attempts, check the
turbocharger vanes for deposit build-up, a foreign body or damage
to the compressor/turbine wheels/housing as mechanism may be
sticking. For further diagnostic information
REFER to:

Turbocharger

(303-04C Fuel Charging and Controls -

Turbocharger, Diagnosis and Testing).

P132C Turbocharger boost system

voltage

Battery voltage out of
range

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the battery condition and state of charge. Check the
turbocharger circuits. Refer to the electrical guides. Rectify as
necessary. Clear the DTCs, test for normal operation.

P138D Turbocharger boost system

temperature too high

Engine overheating as a
result of exhaust gas
leakage
Carbon deposits on the
exhaust manifold
Turbocharger actuator
fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the exhaust manifold for leakage/carbon deposits.
Clear the DTCs, test for normal operation. If the fault persists,
install a new turbocharger.
REFER to:

Turbocharger

(303-04C Fuel Charging and Controls -

Turbocharger, Removal and Installation).
Clear the DTCs, test for normal operation.

P1403 Differential pressure feedback

sensor hoses reversed

DPF pressure sensor
(delta pressure sensor)
crossed hose fault

Check the correct connection of the hoses to the DPF pressure
sensor. Rectify as necessary. Clear the DTCs, test for normal
operation.

P1543 Engine coolant heater A control

circuit

Engine coolant heater A
control circuit: high
resistance

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the coolant heater and circuits. Refer to the electrical
guides. Rectify as necessary. Clear the DTCs, test for normal
operation.

P1544 Engine coolant heater B control

circuit

Engine coolant heater B
control circuit: high
resistance

P1576 Pedal position not available

(accelerator pedal position
(APP) sensor failed on more
than one track)

APP sensor circuit fault
APP sensor fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the APP sensor and circuits. Refer to the electrical
guides. Rectify as necessary. Clear the DTCs, test for normal
operation.

P1582 Electronic throttle monitor data

available

Inertia switch tripped

Check the inertia switch status and circuits. Refer to the electrical
guides. Rectify as necessary. Clear the DTCs, test for normal
operation.

P1630 Engine control module (ECM)

internal voltage reference

Internal ECM fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Refer to the warranty policy and procedures manual if an
ECM is suspect.

P1632 Smart generator output circuit

Generator circuit: high
resistance
Generator circuit: short
circuit to ground
Generator circuit: short
circuit to power
Generator regulator fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the generator and circuits. Refer to the electrical
guides. Rectify as necessary. Clear the DTCs, test for normal
operation.

P1635 Tire/Axle ratio out of

acceptable range

The tire size stored in
the vehicle identification
(VID) block is out of
range

Check that the tires fitted to the vehicle are of the correct
specification. Rectify as necessary.

P1643 CAN link engine control

module/transmission control
module circuit/network

CAN H open circuit failure
between ECM and TCM
CAN L open circuit failure
between ECM and TCM

Check the CAN circuits between the engine control module (ECM)
and the TCM. Rectify as necessary. Clear the DTCs, test for normal
operation.

P1676 Injector Data Incompatible

Injector corrections
download failed

Re-enter the injector codes using the approved diagnostic system.
Clear the DTCs, test for normal operation.

P1700 Transmission indeterminate

failure (failed to neutral)

TCM has identified a
failure, the ECM is
required to record this
failure

Check the TCM for DTCs. Clear the DTCs, test for normal operation.

P179A Controller area network (CAN)

link, turbocharger boost control
system

CAN feedback messages
not received

Using the manufacturer approved diagnostic system, complete a
CAN network integrity test. Carry out visual inspection of the rotary
electronic actuator arm during ignition state on/off. Ignition on
actuator will retract under smooth operation to a set position.
Ignition off actuator will retract to the fully open position. If this is
not observed inspect the turbo charger rotary electronic actuator
arm for corrosion and check for ease of vane movement. Using the
manufacturer approved diagnostic system perform the (Turbo,
exhaust gas recirculation and air path dynamic test) routine. For
further diagnostic information
REFER to:

Turbocharger

(303-04C Fuel Charging and Controls -

Turbocharger, Diagnosis and Testing).

P1816 Transmission Neutral Safety

Switch Circuit Failure

Start lock switch
plausibility failure
Start lock STLK circuit:
open circuit
Start lock STLK circuit:
short to ground
Start lock STLK circuit:

Check the Start lock switch and circuits. Refer to the electrical
guides. Rectify as necessary. Clear the DTCs, test for normal
operation. Refer to the warranty policy and procedures manual if an
ECM / TCM is suspect

DTC

Condition

Possible source

Action

short to power
Failure of ECM
Failure of TCM

P1937 Fuel fired heater (FFH) control

circuit

FFH supply or ground
circuit fault
FFH control circuit: high
resistance
FFH control circuit: short
circuit to ground
FFH control circuit: short
circuit to power
FFH control module fault

Refer to the approved diagnostic system for a guided diagnostic
routine. Check the FFH and circuits. Refer to the electrical guides.
Rectify as necessary. Clear the DTCs, test for normal operation.

P2031 Right-hand bank exhaust gas

temperature sensor circuit,
sensor 2

P2032 Right-hand bank exhaust gas

temperature sensor circuit low,
sensor 2

Exhaust gas temperature
sensor circuit: short
circuit to ground
Exhaust gas temperature
sensor fault

P2033 Right-hand bank exhaust gas

temperature sensor circuit
high, sensor 2

Exhaust gas temperature
sensor circuit: short
circuit to power
Exhaust gas temperature
sensor fault

P2080 Right-hand bank exhaust gas

temperature sensor circuit
range/performance, sensor 1

P2081 Right-hand bank exhaust gas

temperature sensor circuit
intermittent, sensor 1

Exhaust gas temperature
sensor circuit:
intermittent high
resistance
Exhaust gas temperature
sensor fault

P2085 Right-hand bank exhaust gas

temperature sensor circuit
intermittent, sensor 2

Exhaust gas temperature
sensor circuit:
intermittent high
resistance
Exhaust gas temperature
sensor fault

P2288 Injector control pressure too

high

Fuel contaminated
Fuel pressure sensor
circuit: high resistance
Fuel pressure sensor
circuit: short circuit to
ground
Fuel pressure sensor
circuit: short circuit to
power

Check for contaminated fuel. Draw off approximately 1 litre (2.11
pints) of fuel into a clear container and allow to settle for 1 minute.
Examine the fuel for separation indicating contamination. Rectify as
necessary. Check the fuel pressure sensor and circuits. Refer to the
electrical guides. Rectify as necessary. Clear the DTCs, test for
normal operation.

P2291 Injector control pressure too

low - engine cranking

Low fuel level
Blocked, kinked or
crushed fuel lines
Fuel pressure sensor
circuit fault
Inlet metering valve fault
Injector leaking
Fuel pump fault
Engine control module
(ECM) fault

Check the fuel level. Check the fuel lines for damage, etc. Rectify as
necessary. Check the fuel pressure sensor and circuits. Refer to the
electrical guides. Check for DTCs indicating an inlet metering valve,
injector or pump fault. Rectify as necessary. Clear the DTCs, test for
normal operation. Refer to the warranty policy and procedures
manual if an ECM is suspect.

P2336 Cylinder 1 above knock

threshold - knock sensor trim
for cylinder 1 invalid

Natural wear of the
injector
Fuel contaminated
Blocked or dirty fuel
injector(s)
Injector circuit fault
Injector fault

Re-enter the injector codes using the approved diagnostic system.
If after reprogramming and clearing the DTCs the DTC reoccurs,
check for contaminated fuel. Draw off approximately 1 litre (2.11
pints) of fuel into a clear container and allow to settle for 1 minute.
Examine the fuel for separation indicating contamination. Rectify as
necessary. Carry out the cylinder balance check. Check the injector
circuits. Refer to the electrical guides. Rectify as necessary. Clear

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