Those are default values used if the sensors completely fail, what does the temp on the dash say?
Right, I found the list of fault codes too.
Diagnostic Trouble Code Meanings
Diagnostic Trouble
Code (Sensor)Malfunction Description
00.0No malfunction present
02.1 (G86)Interior Temperature Sensor, in Headliner,
static open, *02.1 (see below)
02.2Interior Temperature Sensor, in Headliner, static
short, see 02.1
02.3Interior Temperature Sensor, in Headliner, sporadic
open
02.4Interior Temperature Sensor, in Headliner, sporadic
short
03.1 (G56)Interior Temperature Sensor, in Instrument
Panel, static open, see 02.1
03.2Interior Temperature Sensor, in Instrument Panel,
static short, see 02.1
03.3Interior Temperature Sensor, in Instrument Panel,
sporadic open
03.4Interior Temperature Sensor, in Instrument Panel,
sporadic short
04.1 (G89)Fresh Air Intake Duct Temperature Sensor,
static open, *04.1 (see below)
04.2Fresh Air Intake Duct Temperature Sensor, static
short, see 04.1
04.3Fresh Air Intake Duct Temperature Sensor, sporadic
open
04.4Fresh Air Intake Duct Temperature Sensor, sporadic
short
05.1 (G17)Outside Air (Ambient) Temperature Sensor,
front, static open, *05.1 (see below)
05.2Outside Air (Ambient) Temp. Sensor, front, static
short, see 05.1, *05.2 (see below)
05.3Outside Air (Ambient) Temperature Sensor, front,
sporadic open
05.4Outside Air (Ambient) Temperature Sensor, front,
sporadic short
06.1 (G110)Engine Coolant Temperature (ECT), A/C static
open, *06.1 (see below)
06.2Engine Coolant Temperature (ECT), A/C static short,
see 06.1
06.3Engine Coolant Temperature (ECT), A/C sporadic open
06.4Engine Coolant Temperature (ECT), A/C sporadic short
07.1 (G109)Ambient Temperature Sensor at Fresh Air
Blower, static open, *07.1 (see below)
07.2Ambient Temperature Sensor at Fresh Air Blower,
static short, see 07.1
07.3Ambient Temperature Sensor at Fresh Air Blower,
sporadic open
07.4Ambient Temperature Sensor at Fresh Air Blower,
sporadic short
08.1 (G92)Temperature Regulator Flap Motor
Potentiometer, static open, *08.1 (see below)
08.2Temperature Regulator Flap Motor Potentiometer,
static short, see 08.1
08.3Temperature Regulator Flap Motor Potentiometer,
sporadic open
08.4Temperature Regulator Flap Motor Potentiometer,
sporadic short
08.5Temperature Regulator Flap, static block, *08.5 (see
below)
08.6Temperature Regulator Flap Motor Potentiometer,
malfunction
08.7Temperature Regulator Flap, sporadic block
11.1 (G112)Central Flap Motor Potentiometer, static
open, *11.1 (see below)
11.2Central Flap Motor Potentiometer, static short, see
11.1
11.3Central Flap Motor Potentiometer, sporadic open
11.4Central Flap Motor Potentiometer, sporadic short
11.5Central Flap, static block, *11.5 (see below)
11.6Central Flap Motor Potentiometer, malfunction
11.7Central Flap, sporadic block
13.1 (G114)Footwell/Defroster Flap Motor Potentiometer,
static open, *13.1 (see below)
13.2Footwell/Defroster Flap Motor Potentiometer, static
short, see 13.1
13.3Footwell/Defroster Flap Motor Potentiometer,
sporadic open
13.4Footwell/Defroster Flap Motor Potentiometer,
sporadic short
13.5Footwell/Defroster Flap, static block, *13.5 (see
below)
13.6Foot well/Defroster Flap Motor Potentiometer,
malfunction
13.7Foot well/Defroster Flap, sporadic block
15.1 (G113)Air Flow Flap Motor Potentiometer, static
open, *15.1 (see below)
15.2Air Flow Flap Motor Potentiometer, static short, see
15.1
15.3Air Flow Flap Motor Potentiometer, sporadic open
15.4Air Flow Flap Motor Potentiometer, sporadic short
15.5Air Flow Flap, static block, see *15.5 (see below)
15.6Air Flow Flap Motor Potentiometer, malfunction
15.7Air Flow Flap, sporadic block
17.0Vehicle Speed Signal faulty
18.1Fresh air blower voltage, static
18.3Fresh air blower voltage, sporadic
20.1A/C compressor voltage not OK - static, *20.1 (see
below)
20.3A/C compressor voltage not OK - sporadic
22.1 (F118)A/C Refrigerant High Pressure Switch, static
open, *22.1 (see below)
22.3A/C Refrigerant High Pressure Switch, sporadic open
22.5A/C Refrigerant High Pressure Switch, 120X open,
*22.5 (see below)
29.1Belt slip detection "soft", static
29.2Belt slip detection "hard", static
29.3Belt slip detection "soft", sporadic
29.4Belt slip detection "hard", sporadic
Diagnostic Trouble Code Notes:
*02.1Digital default value of 128 is programmed if
sensor fails
*04.1Value supplied by Temp. Sensor is used if sensor
fails
*05.1Value supplied by Temp. Sensor is used if sensor
fails
*05.2Digital default value of 128 is programmed if
sensors G89 & G17 both fail
*06.1Engine Coolant Temperature is calculated is sensor
should fail or is not installed; diagnosis occurs only
above 0 degrees Celsius
*07.1Programmed corrective value = 0
*08.1Temperature Regulator Flap Motor will no longer be
controlled automatically; manual adjustment only
*08.5Motor is cycled; software attempts to eliminate
block
*11.1Central Flap Motor will no longer be controlled
automatically; manual adjustment only
*11.5Motor is cycled; software attempts to eliminate
block
*13.1Footwell/Defroster Flap Motor will no longer be
controlled automatically; manual adjustment only
*13.5Motor is cycled; software attempts to eliminate
block
*15.1Digital value is internally programmed for
limp-home mode
*15.5Motor is cycled; software attempts to eliminate
block
*20.1Compressor remains off until voltage is greater
than 10.
8V for at least 25 seconds
*22.1Compressor remains off until switch closes
*22.5Compressor re-engagement circuit, VAG 1551 Scan
Tool function
Looking through all the codes, the fault that will stop the compressor running is 22.1, which is for a faulty pressure switch (or the wiring to it) . In the notes it even says compressor will not engage until switch closes.
99% sure that's your only issue that would stop it working. Rest are just for flaps and the air blower itself etc.
Switch is located on the bulkhead, see here
https://www.seatcupra.net/forums/threads/air-con-pressure-switch-leon-mk1.421975/
