Pinpoint Test I: Diagnostic Trouble Codes (DTCS) P0702, P0882, P0883, P1397
- Refer to TRANSMISSION CONTROLS - 8F35
for schematic and connector information.
Normal Operation and Fault Conditions
The PCM monitors the supplied voltage and sets a DTC if supply voltage rises above or drops below threshold.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition PCM P0702:00 Transmission Control System Electrical: No Sub Type Information Sets in continuous memory and during the on-demand self-test when the PCM detects the supply voltage is greater than 16 volts. PCM P0882:00 TCM Power Input Signal Low: No Sub Type Information Sets in continuous memory and during the on-demand self-test when the PCM detects the supply voltage is lower than 9 volts. PCM P0883:00 TCM Power Input Signal High: No Sub Type Information Sets in continuous memory and during the on-demand self-test when the PCM detects the supply voltage is greater than 16 volts. PCM P1397:00 System Voltage Out Of Self Test Range: No Sub Type Information Sets in continuous memory and during the on-demand self-test when the PCM detects the supply voltage is greater than 16 volts. Possible Sources
- Charging system concern
- High resistance ground condition
- Low voltage to the PCM
- I1
- Ignition OFF.
- Disconnect and inspect all PCM connectors.
- REPAIR:
- corrosion (install a new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Check the PCM power and ground circuits for opens or short to ground. Refer to OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION to identify the cause of any circuit faults.
- Reconnect all PCM connectors.
- Ignition ON.
- Using a diagnostic scan tool, clear the PCM diagnostic trouble codes (DTCs).
- Wait 10 seconds.
- Using a diagnostic scan tool, carry out the PCM self-test.
Are diagnostic trouble codes (DTCs) P0702, P0882, P0883 and/or P1397 still present?
Yes DIAGNOSE the vehicle charging concern. REFER to: Charging System - 2.0L Duratec-HE (110kW/150PS) - MI4 . No If the PCM does not communicate with the scan tool, REFER to: Communications Network . Otherwise, the system is operating properly at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.