P1897-LVL2 RPM FAIL - NO POST

For a complete wiring diagram Refer to Section 8W

When Monitored:
With the engine running.
Set Condition:
The Powertrain Control Module (PCM) detects an internal error.

POWERTRAIN CONTROL MODULE (PCM) SOFTWARE UPDATE

EXCESSIVE RESISTANCE IN THE PCM POWER OR GROUND CIRCUITS

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Diagnostic Test

1. DTC IS ACTIVE

NOTE: Diagnose and repair any other DTCs set in the PCM before proceeding with this test.

Turn the ignition on.
With the scan tool, Clear DTCs in the Powertrain Control Module (PCM).
Start the engine and allow it to reach operating temperature.

WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death.

With the scan tool, select View DTCs.

Is the status Active for this DTC?

Yes

Go to 2

Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)

2. CHECKING THE PCM POWER AND GROUND CIRCUITS

Refer to the vehicle schematics and check the PCM power and ground circuits.

Were any problems found?

Yes

Repair the PCM power and ground circuit(s) as necessary.

Perform the PCM Verification Test. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Go to 3

3. POWERTRAIN CONTROL MODULE (PCM)

Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the applicable component and the Powertrain Control Module (PCM).
Look for any chafed, pierced, pinched, or partially broken wires.
Look for broken, bent, pushed out or corroded terminals.
Refer to any Technical Service Bulletins that may apply.

Were any problems found?

Yes

Repair as necessary.

Perform the PCM Verification Test. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information.
Perform the PCM Verification Test. (Refer to 9 - ENGINE - STANDARD PROCEDURE)