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Home >> Acura >> 2002 >> RSX Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P1106, P2227: BARO Sensor Circuit Range/Performance Problem (2002-2003 models); BARO Sensor Circuit Range/Performance Problem (2004 model)
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DTC P1106, P2227: BARO Sensor Circuit Range/Performance Problem (2002-2003 models); BARO Sensor Circuit Range/Performance Problem (2004 model)

NOTE:
  • Information marked with an asterisk (*) applies to 2002-2003 models.
  • Information marked with double asterisk (**) applies to 2004 model.
  1. Reset the ECM/PCM (see ECM/PCM RESET (2002-2004 MODELS) ).
  2. Start the engine. Hold the engine speed at 3,000 RPM without load (in Park or neutral) until the radiator fan comes on, then let it idle.
  3. Test-drive with the A/T in D position, or the M/T in 4th gear.
  4. Accelerate for 5 seconds using wide open throttle.
  5. Check for a Temporary DTC with a scan tool or the HDS.

    Is Temporary DTC P1106* (P2227)** indicated? 

    1. YES -  Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM (see HOW TO UPDATE THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see ECM/PCM REPLACEMENT  ).
    2. NO -  Intermittent failure, system is OK at this time.
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