P2138 on the 2005 Chevrolet Cobalt
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 070604019F | 2018-06-04. Service bulletin. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set. |
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| 07-06-04-019E | 2017-08-15. Service bulletin. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set. |
| 4175 | 2007-08-15. Service bulletin. INTERMITTENT SES LIGHT DUE TO DTC'S P060E, P2135, AND/OR P2138. *KB UPDATED 2/27/08. *NJ |
| 070604003 | 2007-03-07. Service bulletin. LSJ, L61, LK5, L52, LL8 ENGINE - REDUCED ENGINE POWER, MIL/SES LIGHT, DTC P1516, P2135, P2138. *KB |
| 3482 | 2005-11-07. Service bulletin. CHECK ENGINE LIGHT, P0532, P0533, P2138, P1681, OR A/C INOPERATIVE (UPDATE). *TT |
| 3448 | 2005-10-24. Service bulletin. DIAGNOSTIC TROUBLE CODE P2138 - INFORMATION SUPPLEMENT FOR BULLETIN 05-01-38-006. *TT |
6 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.