Jaguar XJ (X350). Manual — part 981

P049500 Cooling fan speed high

Cooling fan signal circuit:

short circuit to
power

Cooling fan motor fault

For cooling fan circuit tests, GO

to Pinpoint Test G549822p21.

P050100

Vehicle speed sensor A

range/performance - signal

plausibility failure

Vehicle speed: range

performance

Check for ABS/TCM DTCs.

P050400

Brake switch A/B

correlation

The brake pressure

reading does not
agree with the brake
light switch value

Brake switch failure

ECM failure

Check the brake switch

function, GO to Pinpoint Test

G549822p18.

Refer to the warranty policy

and procedures manual if an

ECM is suspect.

P051300 Incorrect immobilizer key

Security key invalid

Programme keys using the

Jaguar approved diagnostic

system.

P053100

Air conditioning (A/C)

refrigerant pressure sensor

A circuit

range/performance

A/C refrigerant pressure

sensor circuit: high
resistance

A/C refrigerant pressure

sensor circuit: short
circuit to ground

A/C refrigerant pressure

sensor circuit: short
circuit to power

A/C refrigerant pressure

sensor failure

For A/C refrigerant pressure

sensor tests, GO to Pinpoint

Test G549822p19.

P053200

Air conditioning (A/C)

refrigerant pressure sensor

A circuit low input

A/C refrigerant pressure

sensor circuit: short
circuit to ground

A/C refrigerant pressure

sensor failure

For A/C refrigerant pressure

sensor tests, GO to Pinpoint

Test G549822p19.

P053300

Air conditioning (A/C)

refrigerant pressure sensor

A circuit high input

A/C refrigerant pressure

sensor circuit: high
resistance

A/C refrigerant pressure

sensor circuit: short

For A/C refrigerant pressure

sensor tests, GO to Pinpoint

Test G549822p19.

circuit to power

A/C refrigerant pressure

sensor failure

P056200 System voltage low

Battery voltage low

Battery ground cable:

high resistance

Battery connections

loose/corroded

Battery current drain

For battery information,

Battery

P056300 System voltage high

System boosted from

high voltage

Battery voltage high

Generator over charge

condition

For battery information,

Battery For charging system

information,

Charging System - 2.7L V6 -

TdV6

P056600

Speed control cancel switch

stuck closed

Speed control cancel

switch signal circuit:
short circuit to
power

Speed control cancel

switch
stuck/jammed

Speed control cancel

switch failure

For speed control,

Speed Control - VIN Range:

G45704->G99999

P056700

Speed control resume

switch stuck closed

Speed control resume

switch signal circuit:
short circuit to
power

Speed control resume

switch
stuck/jammed

Speed control resume

switch failure

For speed control,

Speed Control - VIN Range:

G45704->G99999

P056900

Speed control minus switch

stuck closed

Speed control minus

switch signal circuit:
short circuit to
power

Speed control minus

switch

For speed control,

Speed Control - VIN Range:

G45704->G99999

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stuck/jammed

Speed control minus

switch failure

P056A00

Speed control headway plus

switch stuck closed

Speed control headway

plus switch signal
circuit: short circuit
to power

Speed control headway

plus switch
stuck/jammed

Speed control headway

plus switch failure

For speed control,

Speed Control - VIN Range:

G45704->G99999

P056B00

Speed control headway

minus switch stuck closed

Speed control headway

minus switch signal
circuit: short circuit
to power

Speed control headway

minus switch
stuck/jammed

Speed control headway

minus switch failure

For speed control,

Speed Control - VIN Range:

G45704->G99999

P057000

Speed control plus switch

stuck closed

Speed control plus

switch signal circuit:
short circuit to
power

Speed control plus

switch
stuck/jammed

Speed control plus

switch failure

For speed control,

Speed Control - VIN Range:

G45704->G99999

P057100

Brake switch A circuit

plausibility

The brake pressure

reading does not
agree with the brake
light switch value

Brake switch failure

ECM failure

Check the brake switch

function, GO to Pinpoint Test

G549822p18.

Refer to the warranty policy

and procedures manual if an

ECM is suspect.

P057800

Speed control multi-

function input A circuit

stuck

Speed control multi-

function input A
circuit: high

For speed control,

Speed Control - VIN Range:

G45704->G99999

resistance

Speed control multi-

function input A
circuit: short circuit
to ground

Speed control multi-

function input A
circuit: short circuit
to power

Speed control switch

stuck

P057900

Speed control multi-

function input A circuit

range/performance

Speed control multi-

function input A
circuit: high
resistance

Speed control multi-

function input A
circuit: short circuit
to ground

Speed control multi-

function input A
circuit: short circuit
to power

Speed control switch

stuck

For speed control,

Speed Control - VIN Range:

G45704->G99999

P060600 ECM processor fault

Internal ECM monitoring

ECM failure

Cycle the ignition and allow

power latch. Clear the DTC and

retest. If the DTC resets, refer

to the warranty policy and

procedure manual if an ECM is

suspect.

P060A00

Internal control module

monitoring processor

performance

Internal control module

monitoring
processor
performance

Cycle the ignition and allow

power latch. Clear the DTC and

retest. If the DTC resets, refer

to the warranty policy and

procedure manual if an ECM is

suspect.

P060B00

Internal control module A/D

processing performance

Internal control module

A/D processing
performance

Cycle the ignition and allow

power latch. Clear the DTC and

retest. If the DTC resets, refer

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