Acura P1108: BARO Pressure Sensor Circuit High Input

Is your scanner showing Acura P1108?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura P1108: BARO Pressure Sensor Circuit High Input

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$200-$300
Can I Still Drive?
:
Yes

What Does The Acura P1108 Code Mean?

Key on or engine running; and the PCM detected an unexpected “high” voltage on the BARO sensor circuit during the CCM test.

What Are The Potential Causes Of The Acura P1108 Code?

  • BARO sensor signal circuit shorted to VREF
  • BARO sensor signal circuit is shorted to system power (B+)
  • BARO sensor is damaged (it may be open internally)
  • BARO sensor signal circuit to the TCM is shorted to power
  • TCM or the PCM has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Barometric Pressure Sensor
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> TCM

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

2001 Engine Performance Acura Self-Diagnostics, MDX, 3.2CL & 3.2TL, page 34.

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