Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1999CUTAWAY 7.4 JREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - TESTS W/CODES - DTC P1537-U1193
1999 Chevrolet Cutaway 7.4 J
Engine Control System - Tests W/Codes - DTC P1537-U1193
1999 Chevrolet Cutaway 7.4 JSECTION Engine Control System - Tests W/Codes - DTC P1537-U1193
- Model Identification
- DTC P1537
- DTC P1538
- DTC P1539
- DTC P1540
- DTC P1542
- DTC P1545
- DTC P1546
- DTC P1554
- DTC P1554: Cruise Control Status Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P1554: Cruise Engaged Circuit High Voltage (3.5L "W" Body)
- DTC P1554: Cruise Control Status Circuit (3.8L "C", "G", "H" & "W" Bodies)
- DTC P1554: Cruise Engaged Circuit High Voltage (4.0L "G" Body)
- DTC P1554: Cruise Engaged Circuit High Voltage (4.6L "E" & "K" Bodies - DEVILLE & ELDORADO)
- DTC P1554: Cruise Control Feedback Circuit (4.6L "K" Body - SEVILLE)
- DTC P1555
- DTC P1560
- DTC P1564
- DTC P1566
- DTC P1567
- DTC P1570
- DTC P1571
- DTC P1571: TCS Desired Torque Circuit (3.4L "U" Series)
- DTC P1571: TCS Desired Torque Circuit (3.5L "W" Body)
- DTC P1571: TCS Desired Torque Circuit (3.8L "C", "G", "H" & "W" Bodies)
- DTC P1571: TCS Desired Torque Circuit (3.8L "F" Body)
- DTC P1571: TCS Pulse Width Modulated (PWM) Circuit No Frequency (4.0L "G" Body)
- DTC P1571: TCS Torque Request Circuit (4.6L "E" & "K" Bodies)
- DTC P1571: ASR Desired Torque Circuit (5.7L "Y" Body)
- DTC P1573
- DTC P1574
- DTC P1575
- DTC P1579
- DTC P1580
- DTC P1581
- DTC P1582
- DTC P1583
- DTC P1584
- DTC P1585
- DTC P1599
- DTC P1601
- DTC P1602
- DTC P1602: Abs Message Fault (1.9L SATURN)
- DTC P1602: Knock Sensor Module Circuit (3.0L "V" Body)
- DTC P1602: EBCM/EBTCM Serial Data Circuit (3.1L "N" & "W" Bodies)
- DTC P1602: EBCM/EBTCM Serial Data Circuit (3.4L "N" Body)
- DTC P1602: Loss Of EBTCM Serial Data (3.5L "W" Body)
- DTC P1602: EBCM/EBTCM Serial Data Circuit (3.8L "C" & "W" Bodies)
- DTC P1602: Loss Of EBTCM Serial Data (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P1603
- DTC P1604
- DTC P1605
- DTC P1610
- DTC P1610: Standard Body Module Serial Data Circuit (3.1L "N" & "W" Bodies)
- DTC P1610: Class II Failure With BFC (3.4L "N" Body)
- DTC P1610: Loss Of BCM Serial Data (3.5L "W" Body)
- DTC P1610: Standard Body Module Serial Data Circuit (3.8L "C" & "W" Bodies)
- DTC P1610: Loss Of PZM Serial Data (4.6L "E" & "K" Bodies)
- DTC P1611
- DTC P1612
- DTC P1613
- DTC P1614
- DTC P1615
- DTC P1617
- DTC P1619
- DTC P1620
- DTC P1621
- DTC P1621: Pcm Memory Error (1.9L SATURN)
- DTC P1621: Pcm Memory Performance (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P1621: Control Module Long Term Memory Performance (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P1621: VCM EEPROM Performance (4.3L "C", "K", "L", "M", "S" & "T" Series)
- DTC P1621: VCM EEPROM Performance (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P1623
- DTC P1624
- DTC P1625
- DTC P1626
- DTC P1626: Loss Of Serial Communication With Vehicle Theft Deterrent Or Theft Deterrent System Fuel Enable Circuit (2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (3.1L "N" Body)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (3.1L "W" Body)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (3.4L "N" Body)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (3.4L "U" Series)
- DTC P1626: Loss Of Serial Communication With Vehicle Theft Deterrent System (3.5L "W" Body)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (4.0L "G" Body)
- DTC P1626: Loss Of Serial Communication With VTD (4.3L "C", "K", "L", "M", "S" & "T" Series)
- DTC P1626: Theft Deterrent System Fuel Signal Lost (4.6L "E" & "K" Bodies)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P1626: Theft Deterrent Fuel Enable Signal Not Received (5.0L & 5.7L "C" & "K" Series)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (5.7L "F" Body)
- DTC P1626: Theft Deterrent System Fuel Enable Circuit (5.7L "Y" Body)
- DTC P1627
- DTC P1628
- DTC P1629
- DTC P1630
- DTC P1630: Theft Deterrent System Pcm In Learn Mode (2.4L "N" Body)
- DTC P1630: Theft Deterrent System Pcm In Learn Mode (3.1L "N" Body)
- DTC P1630: Theft Deterrent System Pcm In Learn Mode (3.1L "W" Body)
- DTC P1630: Theft Deterrent Pcm In Learn Mode (3.4L "N" Body)
- DTC P1630: Theft Deterrent System Pcm In Learn Mode (3.5L "W" Body)
- DTC P1630: Theft Deterrent System Pcm In Learn Mode (3.8L "C" & "W" Bodies)
- DTC P1630: Theft Deterrent Learn Mode Active (4.6L "E" & "K" Bodies)
- DTC P1630: Theft Deterrent System VCM In Learn Mode (5.0L & 5.7L "C" & "K" Series)
- DTC P1630: Theft Deterrent System Pcm In Learn Mode (5.7L "Y" Body)
- DTC P1631
- DTC P1631: Theft Deterrent System Password Incorrect (2.2L "S" Series & 2.4L "N" Body)
- DTC P1631: Theft Deterrent System Password Incorrect (3.1L "N" Body)
- DTC P1631: Theft Deterrent System Password Incorrect (3.1L "W" Body)
- DTC P1631: Theft Deterrent System Password Incorrect (3.4L "N" Body)
- DTC P1631: Theft Deterrent System Password Incorrect (3.5L "W" Body)
- DTC P1631: Theft Deterrent System Password Incorrect (3.8L "C" & "W" Bodies)
- DTC P1631: Theft Deterrent System Password Incorrect (4.3L "C", "K", "L", "M", "S" & "T" Series)
- DTC P1631: Theft Deterrent Start Enable Signal Not Correct (4.6L "E" & "K" Bodies)
- DTC P1631: Theft Deterrent System Password Incorrect (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P1631: Theft Deterrent System Password Incorrect (5.0L & 5.7L "C" & "K" Series)
- DTC P1631: Theft Deterrent System Password Incorrect (5.7L "Y" Body)
- DTC P1632
- DTC P1633
- DTC P1634
- DTC P1635
- DTC P1635: 5-Volt Reference Error (1.9L SATURN)
- DTC P1635: 5-Volt Reference "A" Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P1635: 5-Volt Reference "A" Circuit (3.5L "W" Body)
- DTC P1635: 5-Volt Reference "A" Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P1635: 5-Volt Reference No. 1 Circuit (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P1635: 5-Volt Reference No. 1 Circuit (5.7L "F" Body)
- DTC P1635: 5-Volt Reference No. 1 Circuit (5.7L "Y" Body)
- DTC P1637
- DTC P1637: Generator Light Circuit Fault (3.4L "U" Series)
- DTC P1637: Generator "L" Terminal Circuit (4.0L "G" Body & 4.6L "K" Body - SEVILLE)
- DTC P1637: Generator "L" Terminal Circuit (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P1637: Generator "L" Terminal Circuit (5.7L "F" Body)
- DTC P1637: Generator "L" Terminal Circuit (5.7L "Y" Body)
- DTC P1638
- DTC P1639
- DTC P1639: TCM A/D Failure (1.9L SATURN)
- DTC P1639: 5-Volt Reference "B" Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P1639: 5-Volt Reference "B" Circuit (3.5L "W" Body)
- DTC P1639: 5-Volt Reference "B" Circuit (3.8L "C", "G", "H" & "W" Bodies)
- DTC P1639: 5-Volt Reference "B" Circuit (3.8L "F" Body)
- DTC P1639: 5-Volt Reference No. 2 Circuit (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P1639: 5-Volt Reference No. 2 Circuit (5.7L "F" Body)
- DTC P1639: 5-Volt Reference No. 2 Circuit (5.7L "Y" Body)
- DTC P1640
- DTC P1641
- DTC P1641: A/C Relay Control Circuit (3.1L "N" Body & 3.4L "U" Series)
- DTC P1641: A/C Relay Control Circuit (3.1L "W" Body)
- DTC P1641: A/C Relay Control Circuit (3.4L "N" Body)
- DTC P1641: A/C Relay Control Circuit (3.8L "C", "G", "H" & "W" Bodies)
- DTC P1641: Malfunction Indicator Light (Mil) Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P1642
- DTC P1644
- DTC P1645
- DTC P1646
- DTC P1650/1651
- DTC P1651
- DTC P1652
- DTC P1652: Fan 2 Relay Control Circuit (3.1L "N" & "W" Bodies)
- DTC P1652: Fan 2 Relay Control Circuit (3.4L "N" Body)
- DTC P1652: Fan 2 Relay Control Circuit (3.8L "C", "G", "H" & "W" Bodies)
- DTC P1652: Powertrain Induced Chassis Pitch Output Circuit (4.6L "E" & "K" Bodies)
- DTC P1652: Pcm Chassis Pitch Output Circuit (5.7L "Y" Body)
- DTC P1653
- DTC P1654
- DTC P1660
- DTC P1662
- DTC P1663
- DTC P1665
- DTC P1667
- DTC P1671
- DTC P1672
- DTC P1673
- DTC P1676
- DTC P1689
- DTC P1845
- DTC U1000
- DTC U1016
- DTC U1026
- DTC U1040
- DTC U1041
- DTC U1064
- DTC U1192
- DTC U1192: Loss Of EVO/VTD PASSLOCK® Communication (4.3L "L" & "M" Series)
- DTC U1192: Loss Of EVO/VTD PASSLOCK® Communication (4.3L, 5.0L & 5.7L "C", "G" & "K" Series)
- DTC U1192: Loss Of EVO/VTD PASSLOCK® Communication (6.5L "C" & "K" Series)
- DTC U1192: Loss Of EVO/PASSLOCK® Communication (6.5L "G" Series)
- DTC U1193
- DTC U1301
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.