Ford C-Max 2017–2018 — technical service bulletin
Bulletin SSM 47502 · NHTSA communication 10144951 · issued Aug 31, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2018
model years
6
vehicle entries
Official summary
Some 2017-2018 Fusion, MKZ and C-Max vehicles with 2.0L Gas/Electric engine may exhibit an illuminated MIL with DTC P013A in the Powertrain Control Module(PCM). This may be due to an exhaust system leak. Exhaust leak inspection should be conducted before performing Powertrain Control/Emissions Diagnostics PC/ED Manual diagnostic routines. Inspect for carbon soot/moisture witness marks at exhaust connections. Inspect welds including CMS Boss, flex pipe and flanges. Inspect Catalyst Monitor Sensor(CMS) threads and crush washer to confirm sensor is fully seated in pipe boss. Do not use Vacutec sm
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.