LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (A/C-Heater System - Automatic) >> Trouble Shooting >> Test 19B - Engine Temp MSG Test Failed

Test 19B - Engine Temp MSG Test Failed

WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Perform TEST 19A before proceeding with this test. A low battery or momentary bus failure could cause this code to set.
  1. Connect DRB. Erase all codes. Select POWERTRAIN CONTROL MODULE (PCM). If DRB does not display NO RESPONSE, go to step 3). If NO RESPONSE appears on display, go to next step.
  2. Inspect Violet/Brown and White/Black wires between DLC and PCM for open circuit or shorts. Repair as necessary. If wires are okay, replace PCM. Perform VERIFICATION TEST.
  3. Retrieve body computer codes. If ENGINE TEMP MSG TEST FAILED code returns, replace PCM. Perform VERIFICATION TEST. If ENGINE TEMP MSG TEST FAILED does not return, system is operating properly at this time. Perform VERIFICATION TEST.
scientia non olet · About LEMON Manuals