Issue: Ingenium I4 2.0L Diesel vehicles which are logging P026A-77 - Charge Air Cooler Efficiency Below Threshold and P023B-11 - Charge Air Cooler Coolant Pump Control Circuit Low - Circuit short to ground within the Powertrain Control Module (PCM). This diagnostic is directing retailers to replace the Charge Air Cooler Coolant Pump (T2H2556), however a number of these parts have been returned and no faults have been found.
