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DTC Index (B, C, P, U Codes - With Testing): U-Codes

DTC System Description Possible Source Action
U000100 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 CAN communication bus
  • Isolated CAN communication error
  • CAN circuit fault
  • Internal HCU failure
 Clear the DTCs, retest. If CAN fault codes reset, Refer to Communications Network - VIN Range: N52207->N99999 article.
U000168 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 CAN communication software error
  • Isolated CAN communication error
  • Internal HCU failure
U0073 Heating and Ventilation - Auxiliary Heating CAN communications fault
  • CAN messages are not available at the auxiliary heater
  • The auxiliary heater cannot transmit CAN messages correctly
 Check for CAN error codes in other modules. If there are no other CAN DTCs set, check the auxiliary heater connector and harness. Refer to Communications Network - VIN Range: N13089->N99999 .
U007300 Electronic Engine Controls - 2.5L & 3.0L Control module communication bus off
  • CAN Link circuit malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U010000 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Lost communication with ECM
  • Isolated CAN communication error
  • CAN circuit fault
 Clear the DTCs, retest. If CAN fault codes reset, Refer to Communications Network - VIN Range: N52207->N99999 article.
U010100 Electronic Engine Controls - 2.5L & 3.0L Lost communication with transmission control module
  • CAN Link ECM/TCM network malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L Lost communication with TCM For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U010300 Electronic Engine Controls - 2.5L & 3.0L Lost communication with gear shift control module
  • CAN Link ECM/gear shift network malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U010400 Electronic Engine Controls - 2.5L & 3.0L Lost communication with speed control module
  • CAN Link ECM/ACC module network malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999
  • Isolated CAN communication error
  • CAN circuit fault
 Clear the DTCs, retest. If CAN fault codes reset, Refer to Communications Network - VIN Range: N52207->N99999 article.
U012100 Electronic Engine Controls - 2.5L & 3.0L Lost communication with anti-lock brake system (ABS) control module
  • CAN Link ECM/ABSCM network malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U012500 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Lost communication with yaw rate sensor and accelerometer
  • Isolated CAN communication error
  • Local CAN circuit fault
  • Sensor failure
 Clear the DTCs, retest. If CAN fault codes reset, Refer to Communications Network - VIN Range: N52207->N99999 article.
U012588 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999
U012800 Electronic Engine Controls - 2.5L & 3.0L Lost communication with park brake control module
  • CAN Link ECM/Electric park brake signal missing network malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U015100 Electronic Engine Controls - 2.5L & 3.0L Lost communication with restraints control module
  • Lost comms - CAN or hardwired
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U01550 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Lost communication with instrument pack module
  • Isolated CAN communication error
  • CAN circuit fault
 Clear the DTCs, retest. If CAN fault codes reset, Refer to Communications Network - VIN Range: N52207->N99999 article.
U015500 Electronic Engine Controls - 2.5L & 3.0L Lost communication with instrument panel cluster (IPC) control module
  • CAN Link ECM/INSTCM network malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U0164 Heating and Ventilation - Auxiliary Heating No communication from the HVAC
  • No communication on CAN for more than ten seconds

    This code can log if the ignition is turned off with the system in supplemental heat mode. Clear the DTC and check for other codes before beginning detailed diagnosis based on this code alone

 Refer to Communications Network - VIN Range: N13089->N99999 .
U016400 Electronic Engine Controls - 2.5L & 3.0L Lost communication with heating ventilation and air conditioning control module
  • CAN Link ECM/HEVAC network malfunction
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U016700 Electronic Engine Controls - 2.5L & 3.0L Lost communication with vehicle immobilizer control module
  • Security challenge response timeout
 Program the keys using the Jaguar approved diagnostic system.
Electronic Engine Controls - 2.5L & 3.0L
Electronic Engine Controls - 4.2L
U0235 Speed Control - VIN Range: N13089->N99999 No communication with FLR sensor
  • FLR sensor
  • FLR sensor CAN circuit
 FLR sensor CAN circuit tests, Refer to Pinpoint Test G .
U030000 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Control module software incompatibility
  • Configuration data not received from EMS
  • Configuration data received is not compatible with the DSC module
 Confirm that the configuration data for the EMS is correct. Confirm that the correct DSC module is installed.
U030005 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Control module software error
  • Internal HCU software error
 Refer to the warranty policy and procedures manual if a module is suspect.
U030055 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Stored vehicle configuration data does not match
  • Configuration data received is different from the previous key cycle
  • Control module swapped from another vehicle
 Confirm the vehicle configuration. Reconfigure the module using the Jaguar approved diagnostic system
U030087 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Received vehicle configuration data does not match
  • Configuration data received is different from the modules seen on the network
  • Control module swapped from another vehicle
U040164 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Invalid data received from the ECM
  • Invalid data
 Check for engine management DTCs. Refer to Electronic Engine Controls - VIN Range: N52207->N99999 or and Refer to Electronic Engine Controls - VIN Range: N52207->N99999 article.
U040192 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Torque request denied by the ECM
  • Engine management fault detected
U040200 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 TCM messages not received in the specified time
  • Isolated CAN communication error
  • CAN circuit fault
 Clear the DTCs, retest. If CAN fault codes reset, Refer to Communications Network - VIN Range: N52207->N99999 article.
U040264 Electronic Engine Controls - 2.5L & 3.0L Invalid data received From transmission control module
  • Actual gear position status
 For transmission tests, Refer to Diagnostic Strategy - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For transmission tests, Refer to Diagnostic Strategy - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L Invalid data received from transmission control module For transmission tests. Refer to Diagnostic Strategy - VIN Range: N52207->N99999 article.
Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Invalid data received from the TCM
  • Invalid data received from the TCM
 Check for transmission DTCs. Refer to Diagnostic Strategy - VIN Range: N52207->N99999 article.
U040267 Electronic Engine Controls - 2.5L & 3.0L Invalid data received from transmission control module
  • Gear shift position status
 For transmission tests, Refer to Diagnostic Strategy - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For transmission tests, Refer to Diagnostic Strategy - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For transmission tests. Refer to Diagnostic Strategy - VIN Range: N52207->N99999 article.
U040281 Electronic Engine Controls - 2.5L & 3.0L Invalid data received from TCM
  • Output shaft speed
 For transmission tests, Refer to Diagnostic Strategy - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For transmission tests, Refer to Diagnostic Strategy - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L Invalid data received from transmission control module For transmission tests. Refer to Diagnostic Strategy - VIN Range: N52207->N99999 article.
U040592 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Fault declared by the speed control module
  • ACC fault detected by the speed control module
 Check for speed control DTCs. Refer to Speed Control - VIN Range: N52207->N99999 article.
U041500 Electronic Engine Controls - 2.5L & 3.0L Invalid data received from anti-lock brake system control module
  • BPS CAN node
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
U041564 Electronic Engine Controls - 2.5L & 3.0L
  • MSR monitoring - plausibility
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U041567 Electronic Engine Controls - 2.5L & 3.0L
  • MSR monitoring - rationality
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U042300 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Missing reverse gear signal
  • Isolated CAN communication error
  • CAN circuit fault
 Clear the DTCs, retest. If CAN fault codes reset, Refer to Communications Network - VIN Range: N52207->N99999 article.
U042386 Electronic Engine Controls - 2.5L & 3.0L Invalid data received from instrument panel control module - signal invalid
  • Battery voltage level
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U042481 Electronic Engine Controls - 2.5L & 3.0L Invalid data received from instrument pack control module
  • External ambient temp
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L Invalid data received from instrument panel control module - invalid serial data received
  • External ambient temperature
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U042600 Electronic Engine Controls - 2.5L & 3.0L Invalid data received from vehicle immobilizer control module
  • Security code mismatch
 Configure the module using the Jaguar approved diagnostic system.
Electronic Engine Controls - 2.5L & 3.0L
Electronic Engine Controls - 4.2L
U0433 Speed Control - VIN Range: N13089->N99999 Invalid data from FLR sensor
  • FLR sensor failure
 INSTALL a new FLR sensor. See Speed Control Sensor .
U1901 Anti-Lock Control - Stability Assist - VIN Range: M45255->N52206 Local CAN yaw rate/lateral accelerometer sensor cluster communication fault
  • Local CAN fault
  • Control module internal local CAN failure
  • Yaw rate/Lateral accelerometer sensor cluster failure
 For CAN module circuit tests, Refer to Module Communications Network article. Contact dealer technical support for advice on possible yaw rate sensor failure.
U1A00 Heating and Ventilation - Auxiliary Heating Bus communication fault
  • Network bus fault
 Refer to Communications Network - VIN Range: N13089->N99999 .
U1A03 Heating and Ventilation - Auxiliary Heating Configuration mis-match
  • VID block incorrectly configured for vehicle
 Reconfigure using the Jaguar approved diagnostic system.
U1A446C Heating and Ventilation - Auxiliary Heating Low fuel warning
  • Low fuel level detected
 No action necessary. The auxiliary heater will not operate at low fuel levels. Refill with fuel, clear the DTC.
U2012 Anti-Lock Control - Stability Assist - VIN Range: M45255->N52206 Communication bus error
  • CAN failure
  • Control module internal CAN failure
 For CAN circuit tests, Refer to Module Communications Network article.
U2023 Speed Control - VIN Range: N13089->N99999 CAN fault message received from other network modules
  • CAN/ACC module related fault with the ECM, TCM, DSCM, or instrument cluster modules
  • ACC module internal CAN fault
  • CAN network fault
 Carry out a full vehicle DTC check. Check the ECM, TCM, DSCM, or instrument cluster modules for stored ACC related codes. For CAN circuit tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Speed Control - VIN Range: M45255->N13088
  • CAN/ASSCM related fault with the ECM, TCM, DSCM, or IC modules
  • ASCCM internal CAN fault
  • CAN network fault
 Carry out a full vehicle DTC check. Check the ECM, TCM, DSCM, or IC modules for stored ACC related codes.
For CAN circuit tests, Refer to Communications Network .
U206400 Electronic Engine Controls - 2.5L & 3.0L Warning indicator requested by another control module
  • Crash event has occurred
 For network tests, Refer to Communications Network - VIN Range: N52207->N99999 .
Electronic Engine Controls - 2.5L & 3.0L For network tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Electronic Engine Controls - 4.2L For network tests, Refer to Communications Network - VIN Range: N52207->N99999 article.
U210868 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Speed control vehicle deceleration implausible
  • Braking requested by speed control exceeds allowed threshold
 Check for speed control DTCs. Refer to Speed Control - VIN Range: N52207->N99999 article.
U2202 Anti-Lock Control - Stability Assist - VIN Range: M45255->N52206 Invalid configuration data received
  • ABS/DSC incorrectly configured to VID block
 Contact dealer technical support for advice on reconfiguration of modules.
U2501 Speed Control - VIN Range: M45255->N13088 CAN ECM "token" missing
  • CAN ECM "token" missing on network (other CAN modules also flag ECM "token" missing fault)
  • ECM/CAN fault
 For CAN circuit tests, Refer to Communications Network .
U2502 Speed Control - VIN Range: M45255->N13088 CAN TCM "token" missing
  • CAN TCM "token" missing on network (other CAN modules also flag TCM "token" missing fault)
  • TCM/CAN fault
U2503 Speed Control - VIN Range: M45255->N13088 CAN IC "token" missing
  • CAN IC "token" missing on network (other CAN modules also flag IC "token" missing fault)
  • IC/CAN fault
U2504 Speed Control - VIN Range: M45255->N13088 CAN ABS "token" missing
  • CAN ABS "token" missing on network (other CAN modules also flag ABS "token" missing fault)
  • ABS/CAN fault
U2505 Speed Control - VIN Range: M45255->N13088 CAN TCM message missing
  • TCM CAN DTC Flagged
U2515 Anti-Lock Control - Stability Assist - VIN Range: M45255->N52206 Missing message for adaptive cruise control ACC
  • CAN message is not received at specified rate or is missing
 For CAN module circuit tests, Refer to Module Communications Network article.
U2516 Speed Control - VIN Range: N13089->N99999 CAN network fault
  • Can network circuit fault
 For CAN circuit tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Speed Control - VIN Range: M45255->N13088 For CAN circuit tests, Refer to Communications Network .
U2520 Speed Control - VIN Range: N13089->N99999 CAN IC missing
  • IC CAN circuit short to B+, open circuit, short circuit to ground
 For CAN circuit tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Speed Control - VIN Range: M45255->N13088 For CAN circuit tests, Refer to Communications Network .
U2521 Speed Control - VIN Range: N13089->N99999 CAN DSCM missing
  • DSCM CAN circuit short to B+, open circuit, short circuit to ground
 For CAN circuit tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Speed Control - VIN Range: M45255->N13088 For CAN circuit tests, Refer to Communications Network .
U2522 Speed Control - VIN Range: N13089->N99999 CAN TCM missing
  • TCM CAN circuit short to B+, open circuit, short circuit to ground
 For CAN circuit tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Anti-Lock Control - Stability Assist - VIN Range: M45255->N52206 CAN message timeout from TCM
  • CAN message is not received at specified rate or is missing
 For CAN module circuit tests, Refer to Module Communications Network article.
Speed Control - VIN Range: M45255->N13088 CAN TCM missing
  • TCM CAN circuit short to B+, open circuit, short circuit to ground
 For CAN circuit tests, Refer to Communications Network .
U2523 Speed Control - VIN Range: N13089->N99999 CAN ECM missing
  • ECM CAN circuit short to B+, open circuit, short circuit to ground
 For CAN circuit tests, Refer to Communications Network - VIN Range: N52048->N99999 .
Anti-Lock Control - Stability Assist - VIN Range: M45255->N52206 CAN message timeout from ECM
  • CAN message is not received at specified rate or is missing
 For CAN module circuit tests, Refer to Module Communications Network article.
Speed Control - VIN Range: M45255->N13088 CAN ECM missing
  • ECM CAN circuit short to B+, open circuit, short circuit to ground
 For CAN circuit tests, Refer to Communications Network .
U2527 Anti-Lock Control - Stability Assist - VIN Range: M45255->N52206 Local CAN transmit error
  • Local CAN failure
 For CAN module circuit tests, Refer to Module Communications Network article.
U300316 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Battery voltage low
  • HCU supply circuit fault(s)
  • Internal HCU failure
 For module supply and ground tests, Refer to Pinpoint Test C .
U300317 Anti-Lock Control - Stability Assist - VIN Range: N52207->N99999 Battery voltage high
  • HCU supply circuit fault(s)
  • Charging system fault(s)
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