Volkswagen Golf 2013 Quick Reference Specification Book page 238

DTC
P0473 Exhaust Pressure Sensor A
High
P0474 Exhaust Pressure Sensor "A"
Circuit Intermittent/Erratic
P0475 Exhaust Pressure Control
Valve "A"
P0477 Exhaust Pressure Control
Valve "A" Low
P0478 Exhaust Pressure Control
Valve "A" High
P048A Exhaust Pressure Control
Valve "A" Stuck Closed
P048B Exhaust Pressure Control
Valve Position Sensor Circuit
Low
P048C Exhaust Pressure Control
Valve Position Sensor Circuit
Range/Performance
P048E Exhaust Pressure Control
Valve Position Sensor Circuit
High
P0486 Exhaust Gas Recirculation
Sensor "B" Circuit
P240F Exhaust Gas Recirculation
Slow Response
P2413 Exhaust Gas Recirculation
System Performance
P242A Exhaust Gas Temperature
Sensor Circuit Bank 1 Sensor
3
226 VW Golf & GTI Quick Reference Specification Book • September 2012
Error Message Malfunction Criteria and
Threshold Value
Sensor voltage >4.9 V
Difference between modeled
and measured differential
pressure across low pressure
EGR > 40hPa
Diagnostic signal from output
driver
Diagnostic signal from output
driver.
Short to voltage on Out 1 or
Out 2 signal from output driver.
Control valve stuck closed -
position sensor > 10% when
commanded open
Position sensor signal < 0.25 V
Position sensor signal in
desired range during closed
position learning > 1.1 V or <
0.5 V
Position sensor signal > 4.85 V
Position sensor signal > 4890
or < 210 mV
Calculated characteristic value
> 20 at positive or negative air
mass change
• Number of learning points at
fuel mass adaptation limit >
or = to 4
• At upper limit = 6 mg/stroke
• At lower limit = -6 mg/stroke
Sensor signal voltage > 1.72 V