Back to 2021 Chevrolet Spin

2021 CHEVROLET SPIN

1.8L I4 FlexFWDAUTOMATICgas
Repairs0Labor513Torque382Fluid6DTC971Battery1Maintenance0Recalls0
P0109moderate severityPowertrain

MAP/BARO Pressure Circuit Intermittent

on 2021 Chevrolet Spin 1.8L I4 Flex · FWD

What this code means

The MAP sensor signal is showing intermittent readings.

Symptoms

  • Check Engine Light (intermittent)
  • Erratic idle
  • Stumble on acceleration

Common causes

  • Loose connector
  • Damaged wiring
  • Intermittent vacuum leak

Diagnostic steps

  1. Wiggle test on connector
  2. Monitor MAP signal
  3. Check vacuum hose

Repair notes

Repair connector or wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →