P1221 Diagnostic Trouble Code Discussion for August 2016
TP Sensor 2 Signal Correlation
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| Help Request | Posted | |
| 2002 Chevrolet Trailblazer LS 4.2L Hesitation, Cuts out, MIL Lamp on VIN: 1GNDS13S12 P1221: TP Sensor 2 1-2 Correlation. ... coiming up with fault code p1221 for tps sensor. We already replaced the throttle body and performed software upgrade for the new throttle body. The vehicle goes into limp home mode and sets the service engine soon light an... |
August 09, 2016 |
