When is the p1491 Jeep code detected?
When is the P1491 JEEP code detected? With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module ( PCM) detects a shorted or open condition in the relay control circuit. Test the fan relay resistance (it should be 30-70 ohms). Refer to code repair chart in other manuals or media.
How to troubleshoot a jeep PWM fan relay test?
Radiator Fan Motor Circuit Wiring Diagram (1999-2003 4.0L Jeep Grand Cherokee). TIP 1: The way I’ve designed the Jeep PWM fan relay test, you’ll need a scan tool that can read live data (not a code reader), since you’ll need to keep an eye on the engine’s coolant temperature with it.
How much does it cost to repair a jeep fan relay?
Most auto repair shops charge between $75 and $150 per hour. When is the code detected? With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module ( PCM) detects a shorted or open condition in the relay control circuit.
What kind of fan does a Jeep Grand Cherokee have?
APPLIES TO: This tutorial applies to the following vehicles: 1999, 2000, 2001, 2002, 2003 4.0L Jeep Grand Cherokee. Radiator Fan Motor Circuit Wiring Diagram (1999-2003 4.0L Jeep Grand Cherokee).
When is the P1491 JEEP code detected? With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module ( PCM) detects a shorted or open condition in the relay control circuit. Test the fan relay resistance (it should be 30-70 ohms). Refer to code repair chart in other manuals or media.
Radiator Fan Motor Circuit Wiring Diagram (1999-2003 4.0L Jeep Grand Cherokee). TIP 1: The way I’ve designed the Jeep PWM fan relay test, you’ll need a scan tool that can read live data (not a code reader), since you’ll need to keep an eye on the engine’s coolant temperature with it.
Why does my Jeep Grand Cherokee Fan quit working?
In this one we take a stab at permanently fixing a common issue with the 1999-2004 Jeep Grand Cherokee. The electric cooling fan will quit working, and your jeep will overheat, due to a failure in the electronic fan control relay. This is a heat related failure and I add a large heat sink and relocate the relay to try and avoid further issues.
Most auto repair shops charge between $75 and $150 per hour. When is the code detected? With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module ( PCM) detects a shorted or open condition in the relay control circuit.
What is the PWM code for a Jeep Grand Cherokee?
This tutorial will help you to diagnose the Pulse Width Modulated (PWM) fan relay on the 1999-2003 Jeep 4.0L Grand Cherokee SUVs and/or the codes P1491 ( Radiator Fan Control Relay Circuit ). The dealer, at the time of this writing, will charge you $95 (US) to diagnose it.
This tutorial will help you to diagnose the Pulse Width Modulated (PWM) fan relay on the 1999-2003 Jeep 4.0L Grand Cherokee SUVs and/or the codes P1491 ( Radiator Fan Control Relay Circuit ). The dealer, at the time of this writing, will charge you $95 (US) to diagnose it.
What should the resistance of the fan relay be?
With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module ( PCM) detects a shorted or open condition in the relay control circuit. Test the fan relay resistance (it should be 30-70 ohms).
How much does it cost to repair a p1491 Chrysler?
The cost of diagnosing the P1491 CHRYSLER code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
What does p1491 mean on a Chrysler radiator?
P1491 CHRYSLER Meaning With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module (PCM) detects a shorted or open condition in the relay control circuit. Test the fan relay resistance (it should be 30-70 ohms). Refer to code repair chart in other manuals or media.
What should the fan relay resistance be on a Chrysler?
With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module ( PCM) detects a shorted or open condition in the relay control circuit. Test the fan relay resistance (it should be 30-70 ohms). Refer to code repair chart in other manuals or media.
How much does it cost to repair a p1491 Chrysler fan?
Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost of diagnosing the P1491 CHRYSLER code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
What does DTC p1491 stand for in Honda?
If this happens, the vehicle may hesitate or surge during light acceleration, and the MIL (malfunction indicator lamp)may come on with DTC P0401 (EGR insufficient flow) or P1491 (EGR valve insufficient lift). If DTC P0401 or P1491 is stored, or if the engine hesitate or surges, clean the EGR port, install an EGR pipe kit, and clear the code.
How much does it cost to diagnose a p1491 code?
The cost to diagnose the P1491 CHRYSLER code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. How much do you know about cars? When is the code detected?