PCM Not Programmed
2007-2011 Dodge Nitro 4.0L V6 🇨🇦
Description
The PCM has not been programmed with the required vehicle-specific calibration software. This typically occurs when a replacement PCM is installed without completing the flash programming procedure.
Symptoms
- Engine will not start
- Check Engine Light on
- Multiple system malfunctions
- No communication with certain modules
Common Causes
- Replacement PCM installed without programming
- PCM flash programming interrupted or failed
- PCM memory corruption
- Incorrect PCM part number installed
- Battery disconnected during programming
Diagnostic Steps
- Verify PCM part number matches vehicle application
- Attempt to flash program PCM with dealer-level scan tool
- Check for stable battery voltage during programming (use charger)
- Verify VIN is programmed correctly
- Check for software updates or TSBs
Repair Notes
Flash program the PCM with the correct vehicle calibration using a dealer-level diagnostic tool.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1602 on Other Vehicles
Common Questions
What does code P1602 mean on a 2007-2011 Dodge Nitro?
P1602 stands for "PCM Not Programmed". The PCM has not been programmed with the required vehicle-specific calibration software. This typically occurs when a replacement PCM is installed without completing the flash programming procedure.
What are the symptoms of P1602 on a Dodge Nitro?
Common symptoms of P1602 include: Engine will not start, Check Engine Light on, Multiple system malfunctions, No communication with certain modules.
What causes P1602 on a 2007-2011 Dodge Nitro?
Common causes of P1602 include: Replacement PCM installed without programming, PCM flash programming interrupted or failed, PCM memory corruption, Incorrect PCM part number installed, Battery disconnected during programming.