Jaguar XJ (X350). Manual — part 932

P046300

Fuel level sensor A circuit

high input

Fuel level sensor to rear

electronic module (REM)
circuits; intermittent
short circuit to high
voltage

Fuel level sensor failure

REM fault (incorrect fuel level

data)

For fuel level sensor

circuit tests,

Fuel Tank and Lines - 4.2L

NA V8 - AJV8/4.2L SC V8 -

AJV8/3.0L NA V6 -

AJ27/3.5L NA V8 - AJV8,

VIN Range: G45704-

>G99999

P048023 Fan 1 control circuit low

Electric fan control circuit:

short circuit to ground

Electric fan control circuit:

high resistance

For cooling fan circuit

tests, GO to Pinpoint

Test G531332p19.

P048024 Fan 1 control circuit high

Electric fan control circuit:

short circuit to battery

For cooling fan circuit

tests, GO to Pinpoint

Test G531332p19.

P048309 Fan rationality check

Cooling fan difficult to turn

Fan/Motor damaged

Clear any obstruction,

replace the fan as

necessary.

P048316 Fan rationality check

Fan control module reports

battery voltage less than
9 volts

Check the battery

condition. Check the

charging system and fan

circuits.

P048317 Fan rationality check

Fan control module reports

battery voltage greater
than 18 volts

Check the charging

system and fan circuits.

P048397 Fan rationality check

Cooling fan jammed

Clear any obstruction,

replace the fan as

necessary.

P048900

Exhaust gas recirculation

(EGR) control circuit low

EGR valve power supply

circuit: high resistance

EGR valve power supply

circuit: short circuit to
ground

For EGR tests,

Engine Emission Control -

VIN Range: G45704-

>G99999

P049000

Exhaust gas recirculation

(EGR) control circuit high

EGR valve to ECM drive

circuit: short circuit to
battery

For EGR tests,

Engine Emission Control -

VIN Range: G45704-

>G99999

P050082

Vehicle speed sensor

malfunction

Vehicle speed: invalid signal

received over CAN

Check for TCM DTCs.

P050086

Vehicle speed sensor

malfunction

Vehicle speed: invalid signal

received over CAN

Check for TCM DTCs.

P050162

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

Check the brake switch

function. GO to Pinpoint

Test G531332p42.

Anti-Lock Control -

Stability Assist - VIN

Range: G45704->G99999

P050401 Brake switch A/B correlation

Brake switch high fault: Brake

lights stuck on Gearshift
interlock inoperative
Speed control inoperative

Brake switch low fault: Brake

lights inoperative
Gearshift stuck in Park
Reduced engine braking

For brake switch and

circuit tests, GO to

Pinpoint Test

G531332p42.

P050464

Brake switch A/B correlation

- signal plausibility failure

Brake switch malfunction

For brake switch and

circuit tests, GO to

Pinpoint Test

G531332p42.

P050600

Idle air control system RPM

lower than expected

Air intake restriction

Accessory drive overload

(defective/seized
component)

Check the air intake

system.

Intake Air Distribution

and Filtering - VIN Range:

G45704->G99999 Check

the accessory drive belt

and components.

Accessory Drive Belt -

4.2L NA V8 - AJV8/4.2L

SC V8 - AJV8/3.5L NA V8 -

AJV8 (12.10.40)

P050624 Idle air control system RPM

Air intake restriction

Check the air intake

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lower than expected

Accessory drive overload

(defective/seized
component)

system.

Intake Air Distribution

and Filtering - VIN Range:

G45704->G99999 Check

the accessory drive belt

and components.

Accessory Drive Belt -

4.2L NA V8 - AJV8/4.2L

SC V8 - AJV8/3.5L NA V8 -

AJV8 (12.10.40)

P050700

Idle air control system RPM

higher than expected

Intake air leak between MAF

sensor and throttle

Intake air leak between

throttle and engine

Engine crankcase breather

leak

Check the air intake

system,

Intake Air Distribution

and Filtering - VIN Range:

G45704->G99999

Inspect the engine

breather system,

Engine Emission Control -

VIN Range: G45704-

>G99999

P050723

Idle air control system RPM

higher than expected

Intake air leak between MAF

sensor and throttle

Intake air leak between

throttle and engine

Engine crankcase breather

leak

Check the air intake

system,

Intake Air Distribution

and Filtering - VIN Range:

G45704->G99999

Inspect the engine

breather system,

Engine Emission Control -

VIN Range: G45704-

>G99999

P050B84

Cold start ignition timing

performance

Cold start emission reduction

strategy engine spark
timing too retarded

Check for engine ignition

related codes.

Engine Ignition - VIN

Range: G45704->G99999

P050B85

Cold start ignition timing

performance

Cold start emission reduction

strategy engine spark
timing too advanced

Check for engine ignition

related codes.

Engine Ignition - VIN

Range: G45704->G99999

P05120C Starter request circuit

Crank request circuit: high

input

For starter request circuit

tests, GO to Pinpoint

Test G531332p27.

P05120E Starter request circuit

Crank request circuit: low

input

For starter request circuit

tests, GO to Pinpoint

Test G531332p27.

P051300 Incorrect immobilizer key

Security key invalid

Programme keys using

the Jaguar approved

diagnostic system.

P053200

Air conditioning (A/C)

refrigerant pressure sensor A

circuit low input

A/C refrigerant pressure

sensor circuit low input

For A/C pressure sensor

tests, GO to Pinpoint

Test G531332p35.

P053300

A/C refrigerant pressure

sensor A circuit high input

A/C Refrigerant pressure

sensor circuit high input

For A/C pressure sensor

tests, GO to Pinpoint

Test G531332p35.

P056013 System voltage

Battery back-up malfunction

For battery back-up tests,

GO to Pinpoint Test

G531332p20.

P056100 System voltage unstable

System voltage comparison

For FRP sensor tests, GO

to Pinpoint Test

G531332p40.

For MAP sensor tests, GO

to Pinpoint Test

G531332p33.

For TP sensor tests, GO

to Pinpoint Test

G531332p4.

and GO to Pinpoint Test

G531332p5.

P056200 System voltage low

ECM to sensor supply voltage

circuit(s): short circuit to
ground

For FRP sensor tests, GO

to Pinpoint Test

G531332p40.

For MAP sensor tests, GO

to Pinpoint Test

G531332p33.

For TP sensor tests, GO

to Pinpoint Test

G531332p4.

and GO to Pinpoint Test

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