Volkswagen Golf 2013 Quick Reference Specification Book page 237

DTC Error Message
P0402 Exhaust Gas Recirculation
Excessive Flow Detected
P0403 Exhaust Gas Recirculation
Circuit
P0405 Exhaust Gas Recirculation
Sensor Circuit Low
P0406 Exhaust Gas Recirculation
Sensor Circuit High
P0420 Catalyst System Bank 1
Efficiency Below Threshold
P045A Exhaust Gas Recirculation "B"
Control Circuit
P045B Exhaust Gas Recirculation
"B" Control Circuit Range/
Performance
P045C Exhaust Gas Recirculation "B"
Control Circuit Low
P045D Exhaust Gas Recirculation "B"
Control Circuit High
P045E Exhaust Gas Recirculation "B"
Control Stuck Open
P045F Exhaust Gas Recirculation "B"
Control Stuck Closed
P046C Exhaust Gas Recirculation
Sensor "A" Circuit Range/
Performance
P047C Exhaust Pressure Sensor "B"
Low
P047D Exhaust Pressure Sensor "B"
High
P047F Exhaust Pressure Control
Valve "A" Stuck Open
P0470 Exhaust Pressure Sensor "A"
P0471 Exhaust Pressure Sensor "A"
Range/Performance
P0472 Exhaust Pressure Sensor A
Low
VW Golf & GTI Quick Reference Specification Book • September 2012
Malfunction Criteria and
Threshold Value
Control deviation > limit from
map (engine speed, desired
airflow)
Valve stuck open > 17% or
stuck closed < 17%
Position sensor signal range
check low.
Position sensor signal range
check high.
HC conversion rate < 0.3
Diagnostic signal from output
driver
Position sensor signal > 1 V or
< 0.4 V
Diagnostic signal from output
driver
Diagnostic signal from output
driver
Comparison of actual and
desired position signal
• Control deviation > 12%
Comparison of actual and
desired position signal
• Control deviation < -12%
Position sensor signal > 1 V or
< 0.4 V
Pressure sensor voltage < 0.2
V
Pressure sensor voltage > 4.9
V
Control valve stuck open -
position sensor < 10% when
commanded closed
Sensor voltage > 4.9
Sensor voltage > 4.9
Sensor voltage < 0.2 V
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