P1634, P1635
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE lamp on.
Car in Limp Home mode
P1634
Voltage Supply Group 1. Short to Ground.
P1635
Voltage Supply Group 1. Short to B+.
Fault symptoms
Conditions
The following conditions apply for this DTC:
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P1634
Power supply is short-circuited to ground. Output voltage under 4.8 V for less than 0.2 sec.
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P1635
Power supply is short-circuited to battery voltage. Output voltage over 5.2 V for less than 0.2 sec.
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Diagnostic help
If there is a fault, the car reacts with the Limp Home values it receives for boost pressure (100 kPa or 1 bar) and charge air temperature (20°C)
