FixVault

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Start Test: Monitors the difference between max and min IAT in order to detect movement in IAT for a certain time
  • Drive test: Performs the max and min delta check while driving under load for a length of time followed by an idle for a certain
  1. Poor connection
  2. Short to ground in harness
  3. IATS
  4. PCM
Enable Conditions
  • Engine soaked time greater than 360min
  • Engine Running State
  • No fault present
  • IAT stored previous trip
  • No IAT Tests pending
Threshold Value
  • Max IAT - Min IAT less than 1.5°C(34.7°F)
Diagnostic Time
  • Continuous (10 min.)
Mil On Condition
  • NO MIL ON(DTC only)